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NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | T_0287 | image | textbook_images/weather_forecasting_20178.png | FIGURE 16.23 The greater the air pressure outside the tube, the higher the mercury rises inside the tube. Mercury can rise in the tube because theres no air pressing down on it. | 0.307589 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | DQ_010661 | image | abc_question_images/nuclear_energy_17095.png | nuclear_energy_17095.png | 0.289978 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | T_3949 | image | textbook_images/behavior_of_gases_22548.png | FIGURE 4.15 As the temperature of a gas increases, its pressure increases as well. | 0.28406 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | DQ_010657 | image | abc_question_images/nuclear_energy_17094.png | nuclear_energy_17094.png | 0.283583 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | DQ_010666 | image | abc_question_images/nuclear_energy_17099.png | nuclear_energy_17099.png | 0.277782 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | DQ_010735 | image | question_images/nuclear_energy_7099.png | nuclear_energy_7099.png | 0.276615 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | T_3947 | image | textbook_images/behavior_of_gases_22545.png | FIGURE 4.12 As the volume of a gas increases, its pressure decreases. | 0.275867 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | DQ_010899 | image | abc_question_images/simple_machines_18197.png | simple_machines_18197.png | 0.27241 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | DQ_011744 | image | question_images/atomic_mass_number_9013.png | atomic_mass_number_9013.png | 0.271927 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | DQ_010674 | image | abc_question_images/nuclear_energy_17105.png | nuclear_energy_17105.png | 0.269782 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | T_4323 | text | null | The SI unit for distance is the meter (m). Short distances may be measured in centimeters (cm), and long distances may be measured in kilometers (km). For example, you might measure the distance from the bottom to the top of a sheet of paper in centimeters and the distance from your house to your school in kilometers. | 0.57093 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | T_4885 | text | null | How fast or slow something moves is its speed. Speed determines how far something travels in a given amount of time. The SI unit for speed is meters per second (m/s). Speed may be constant, but often it varies from moment to moment. | 0.53438 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | T_0638 | text | null | To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of. | 0.504384 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | T_3946 | text | null | For a given amount of gas, scientists have discovered that the pressure, volume, and temperature of a gas are related in certain ways. Because these relationships always hold in nature, they are called laws. The laws are named for the scientists that discovered them. | 0.497587 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | T_4438 | text | null | A combustion engine is a complex machine that burns fuel to produce thermal energy and then uses the thermal energy to do work. There are two types of combustion engines: external and internal. A steam engine is an external combustion engine. | 0.496164 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | T_0205 | text | null | We usually cant sense the air around us unless it is moving. But air has the same basic properties as other matter. For example, air has mass, volume and, of course, density. | 0.495724 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | T_3960 | text | null | Solids that change to gases generally first pass through the liquid state. However, sometimes solids change directly to gases and skip the liquid state. The reverse can also occur. Sometimes gases change directly to solids. | 0.494536 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | T_4893 | text | null | A given kind of matter has the same chemical makeup and the same chemical properties regardless of its state. Thats because state of matter is a physical property. As a result, when matter changes state, it doesnt become a different kind of substance. For example, water is still water whether it exists as ice, liquid water, or water vapor. | 0.491612 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | T_4747 | text | null | Acids have many important uses, especially in industry. For example, sulfuric acid is used to manufacture a variety of different products, including paper, paint, and detergent. Some other uses of acids are be seen in the Figure 1.3. | 0.491317 |
NDQ_013408 | SI unit for pressure | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | d | T_1755 | text | null | The property that changes most strikingly with altitude is air temperature. Unlike the change in pressure and density, which decrease with altitude, changes in air temperature are not regular. A change in temperature with distance is called a temperature gradient. | 0.49084 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_3571 | image | textbook_images/what_is_force_22255.png | FIGURE 13.2 Forces can vary in both strength and direction. | 0.320251 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_4447 | image | textbook_images/force_22843.png | FIGURE 1.2 | 0.320153 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_3573 | image | textbook_images/what_is_force_22256.png | FIGURE 13.3 A book resting on a table is acted on by two opposing forces. | 0.311003 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_5014 | image | textbook_images/work_23180.png | FIGURE 1.1 | 0.292628 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_3575 | image | textbook_images/what_is_force_22257.png | FIGURE 13.4 When unbalanced forces are applied to an object in opposite directions, the smaller force is subtracted from the larger force to yield the net force. | 0.291436 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_3628 | image | textbook_images/work_22307.png | FIGURE 16.2 Carrying a box while walking does not result in work being done. Work is done only when the box is first lifted up from the ground. Can you explain why? | 0.290656 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_3626 | image | textbook_images/buoyancy_of_fluids_22303.png | FIGURE 15.13 Whether an object sinks or floats depends on its weight and the strength of the buoyant force acting on it. | 0.286712 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | DQ_000303 | image | abc_question_images/tides_12612.png | tides_12612.png | 0.285892 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | DQ_000316 | image | question_images/ocean_waves_7125.png | ocean_waves_7125.png | 0.285479 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_3575 | image | textbook_images/what_is_force_22258.png | FIGURE 13.5 When two forces are applied to an object in the same direction, the two forces are added to yield the net force. If you need more practice calculating net force, go to this URL: http://www.physicsclassroom.com/class/newtlaws/U | 0.284468 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_3592 | text | null | Regardless of what gravity is a force between masses or the result of curves in space and time the effects of gravity on motion are well known. You already know that gravity causes objects to fall down to the ground. Gravity affects the motion of objects in other ways as well. | 0.651365 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_3623 | text | null | Buoyancy is the ability of a fluid to exert an upward force on any object placed in the fluid. This upward force is called buoyant force. | 0.635944 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_4195 | text | null | Work is the use of force to move an object. It is directly related to both the force applied to the object and the distance the object moves. Work can be calculated with this equation: Work = Force x Distance. | 0.625303 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_3942 | text | null | Energy is defined as the ability to cause changes in matter. You can change energy from one form to another when you lift your arm or take a step. In each case, energy is used to move matter you. The energy of moving matter is called kinetic energy. | 0.625048 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_4823 | text | null | Newtons third law of motion is just one of many scientific laws. A scientific law is a statement describing what always happens under certain conditions. Other examples of laws in physical science include: Newtons first law of motion Newtons second law of motion Newtons law of universal gravitation Law of conservation of mass Law of conservation of energy Law of conservation of momentum | 0.624019 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_4940 | text | null | Friction is the force that opposes motion between any surfaces that are in contact. There are four types of friction: static, sliding, rolling, and fluid friction. Static, sliding, and rolling friction occur between solid surfaces. Fluid friction occurs in liquids and gases. All four types of friction are described below. | 0.610599 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_3860 | text | null | Electric current cannot travel through empty space. It needs a material through which to travel. However, when current travels through a material, the flowing electrons collide with particles of the material, and this creates resistance. | 0.606567 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_3647 | text | null | Two simple machines that are based on the inclined plane are the wedge and the screw. Both increase the force used to move an object because the input force is applied over a greater distance than the output force. | 0.598605 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_3801 | text | null | Although all electromagnetic waves travel at the same speed, they may differ in their wavelength and frequency. | 0.595321 |
NDQ_013409 | upward force that allows flight | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | g | T_4421 | text | null | 1. What is the traditional definition of gravity? 2. Identify factors that influence the strength of gravity between two objects. | 0.593732 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_3624 | image | textbook_images/buoyancy_of_fluids_22302.png | FIGURE 15.12 Fluid pressure exerts force on all sides of this object, but the force is greater at the bottom of the object where the fluid is deeper. | 0.363281 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_4183 | image | textbook_images/buoyancy_22689.png | FIGURE 1.1 | 0.356758 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | DQ_011457 | image | question_images/electromagnetism_6801.png | electromagnetism_6801.png | 0.330276 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_4432 | image | textbook_images/evaporation_22833.png | FIGURE 1.1 | 0.318879 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_4740 | image | textbook_images/pressure_in_fluids_23030.png | FIGURE 1.3 | 0.313237 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | DD_0234 | image | teaching_images/states_of_matter_9253.png | There are three states of matter. These three states include solid, liquid, and gas. Solid states of matter are rigid and have a fixed shape and fixed volume. They cannot be squashed. Liquid states of matter are not rigid and have no fixed shape, but have a fixed volume. They too cannot be squashed. Gas states of matter are not rigid and have no fixed shape and no fixed volume. This state of matter can be squashed. | 0.310692 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | DQ_011650 | image | question_images/state_change_7602.png | state_change_7602.png | 0.310662 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_3616 | image | textbook_images/pressure_of_fluids_22293.png | FIGURE 15.3 Differences in density between water and air lead to differences in pressure. | 0.309603 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_3947 | image | textbook_images/behavior_of_gases_22545.png | FIGURE 4.12 As the volume of a gas increases, its pressure decreases. | 0.309349 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | DQ_011501 | image | question_images/states_of_matter_7614.png | states_of_matter_7614.png | 0.307314 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_4940 | text | null | Friction is the force that opposes motion between any surfaces that are in contact. There are four types of friction: static, sliding, rolling, and fluid friction. Static, sliding, and rolling friction occur between solid surfaces. Fluid friction occurs in liquids and gases. All four types of friction are described below. | 0.731908 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_3960 | text | null | Solids that change to gases generally first pass through the liquid state. However, sometimes solids change directly to gases and skip the liquid state. The reverse can also occur. Sometimes gases change directly to solids. | 0.705287 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_4893 | text | null | A given kind of matter has the same chemical makeup and the same chemical properties regardless of its state. Thats because state of matter is a physical property. As a result, when matter changes state, it doesnt become a different kind of substance. For example, water is still water whether it exists as ice, liquid water, or water vapor. | 0.704105 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_0024 | text | null | Flowing water slows down when it reaches flatter land or flows into a body of still water. What do you think happens then? The water starts dropping the particles it was carrying. As the water slows, it drops the largest particles first. The smallest particles settle out last. | 0.697324 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_3592 | text | null | Regardless of what gravity is a force between masses or the result of curves in space and time the effects of gravity on motion are well known. You already know that gravity causes objects to fall down to the ground. Gravity affects the motion of objects in other ways as well. | 0.693425 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_3623 | text | null | Buoyancy is the ability of a fluid to exert an upward force on any object placed in the fluid. This upward force is called buoyant force. | 0.691716 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_4885 | text | null | How fast or slow something moves is its speed. Speed determines how far something travels in a given amount of time. The SI unit for speed is meters per second (m/s). Speed may be constant, but often it varies from moment to moment. | 0.688395 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_3801 | text | null | Although all electromagnetic waves travel at the same speed, they may differ in their wavelength and frequency. | 0.68754 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_4823 | text | null | Newtons third law of motion is just one of many scientific laws. A scientific law is a statement describing what always happens under certain conditions. Other examples of laws in physical science include: Newtons first law of motion Newtons second law of motion Newtons law of universal gravitation Law of conservation of mass Law of conservation of energy Law of conservation of momentum | 0.685906 |
NDQ_013410 | pressure in a moving fluid is less when the fluid is moving faster | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | b | T_3860 | text | null | Electric current cannot travel through empty space. It needs a material through which to travel. However, when current travels through a material, the flowing electrons collide with particles of the material, and this creates resistance. | 0.685389 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_3624 | image | textbook_images/buoyancy_of_fluids_22302.png | FIGURE 15.12 Fluid pressure exerts force on all sides of this object, but the force is greater at the bottom of the object where the fluid is deeper. | 0.34933 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_4183 | image | textbook_images/buoyancy_22689.png | FIGURE 1.1 | 0.346881 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_0287 | image | textbook_images/weather_forecasting_20178.png | FIGURE 16.23 The greater the air pressure outside the tube, the higher the mercury rises inside the tube. Mercury can rise in the tube because theres no air pressing down on it. | 0.321313 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | DQ_011650 | image | question_images/state_change_7602.png | state_change_7602.png | 0.316024 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_3947 | image | textbook_images/behavior_of_gases_22545.png | FIGURE 4.12 As the volume of a gas increases, its pressure decreases. | 0.312195 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | DQ_011173 | image | question_images/optics_refraction_9193.png | optics_refraction_9193.png | 0.310746 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | DD_0237 | image | teaching_images/evaporation_and_sublimation_8079.png | The diagram shows the changes of state of matter. The state shifts based from the amount of energy added or removed by the matter. If energy is added to the matter, the particles will slowly disperse away from each other until they are separated from each other. Some examples of this change of state is melting (converting solid to liquid) and evaporation (converting liquid to gas). On the other hand, if the energy is removed, the particles will gather themselves together until they are close to each other. Condensation (converting gas to liquid) and freezing (converting liquid to solid) are some of the process involving this change. | 0.307966 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | DQ_011512 | image | question_images/states_of_matter_7618.png | states_of_matter_7618.png | 0.304709 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | DQ_010899 | image | abc_question_images/simple_machines_18197.png | simple_machines_18197.png | 0.303199 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | DD_0234 | image | teaching_images/states_of_matter_9253.png | There are three states of matter. These three states include solid, liquid, and gas. Solid states of matter are rigid and have a fixed shape and fixed volume. They cannot be squashed. Liquid states of matter are not rigid and have no fixed shape, but have a fixed volume. They too cannot be squashed. Gas states of matter are not rigid and have no fixed shape and no fixed volume. This state of matter can be squashed. | 0.299492 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_3960 | text | null | Solids that change to gases generally first pass through the liquid state. However, sometimes solids change directly to gases and skip the liquid state. The reverse can also occur. Sometimes gases change directly to solids. | 0.669366 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_4893 | text | null | A given kind of matter has the same chemical makeup and the same chemical properties regardless of its state. Thats because state of matter is a physical property. As a result, when matter changes state, it doesnt become a different kind of substance. For example, water is still water whether it exists as ice, liquid water, or water vapor. | 0.667679 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_4940 | text | null | Friction is the force that opposes motion between any surfaces that are in contact. There are four types of friction: static, sliding, rolling, and fluid friction. Static, sliding, and rolling friction occur between solid surfaces. Fluid friction occurs in liquids and gases. All four types of friction are described below. | 0.639023 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_3860 | text | null | Electric current cannot travel through empty space. It needs a material through which to travel. However, when current travels through a material, the flowing electrons collide with particles of the material, and this creates resistance. | 0.637171 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_0698 | text | null | Energy changes form when something happens. But the total amount of energy always stays the same. The Law of Conservation of Energy says that energy cannot be created or destroyed. Scientists observed that energy could change from one form to another. They also observed that the overall amount of energy did not change. | 0.623523 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_3801 | text | null | Although all electromagnetic waves travel at the same speed, they may differ in their wavelength and frequency. | 0.623209 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_3939 | text | null | Water vapor is an example of a gas. A gas is matter that has neither a fixed volume nor a fixed shape. Instead, a gas takes both the volume and the shape of its container. It spreads out to take up all available space. You can see an example in Figure 4.6. | 0.620897 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_3623 | text | null | Buoyancy is the ability of a fluid to exert an upward force on any object placed in the fluid. This upward force is called buoyant force. | 0.612767 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_4018 | text | null | Water (H2 O) is an example of a chemical compound. Water molecules always consist of two atoms of hydrogen and one atom of oxygen. Like water, all other chemical compounds consist of a fixed ratio of elements. It doesnt matter how much or how little of a compound there is. It always has the same composition. | 0.607618 |
NDQ_013411 | change in pressure is transmitted equally throughout a fluid | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | e | T_3918 | text | null | Some properties of matter can be measured or observed only when matter undergoes a change to become an entirely different substance. These properties are called chemical properties. They include flammability and reactivity. | 0.605555 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_3624 | image | textbook_images/buoyancy_of_fluids_22302.png | FIGURE 15.12 Fluid pressure exerts force on all sides of this object, but the force is greater at the bottom of the object where the fluid is deeper. | 0.369687 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_4183 | image | textbook_images/buoyancy_22689.png | FIGURE 1.1 | 0.361481 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | DQ_010899 | image | abc_question_images/simple_machines_18197.png | simple_machines_18197.png | 0.315693 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_4139 | image | textbook_images/atomic_forces_22672.png | FIGURE 1.3 | 0.301058 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_3947 | image | textbook_images/behavior_of_gases_22545.png | FIGURE 4.12 As the volume of a gas increases, its pressure decreases. | 0.296293 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_3571 | image | textbook_images/what_is_force_22255.png | FIGURE 13.2 Forces can vary in both strength and direction. | 0.287141 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | DQ_010926 | image | question_images/simple_machines_8197.png | simple_machines_8197.png | 0.285602 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | DQ_002010 | image | question_images/faults_1745.png | faults_1745.png | 0.27875 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | DQ_010918 | image | question_images/simple_machines_7559.png | simple_machines_7559.png | 0.278538 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_5014 | image | textbook_images/work_23180.png | FIGURE 1.1 | 0.278299 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_4940 | text | null | Friction is the force that opposes motion between any surfaces that are in contact. There are four types of friction: static, sliding, rolling, and fluid friction. Static, sliding, and rolling friction occur between solid surfaces. Fluid friction occurs in liquids and gases. All four types of friction are described below. | 0.646279 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_4195 | text | null | Work is the use of force to move an object. It is directly related to both the force applied to the object and the distance the object moves. Work can be calculated with this equation: Work = Force x Distance. | 0.638365 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_3623 | text | null | Buoyancy is the ability of a fluid to exert an upward force on any object placed in the fluid. This upward force is called buoyant force. | 0.604688 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_0700 | text | null | Energy is the ability to do work. Fuel stores energy and can be released to do work. Heat is given off when fuel is burned. | 0.586013 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_4854 | text | null | Examples of machines that increase the distance over which force is applied are leaf rakes and hammers (see Figure which the force is applied, but it reduces the strength of the force. | 0.583189 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_4715 | text | null | Compare and contrast the basic properties of matter, such as mass and volume. | 0.575443 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_3942 | text | null | Energy is defined as the ability to cause changes in matter. You can change energy from one form to another when you lift your arm or take a step. In each case, energy is used to move matter you. The energy of moving matter is called kinetic energy. | 0.575179 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_3960 | text | null | Solids that change to gases generally first pass through the liquid state. However, sometimes solids change directly to gases and skip the liquid state. The reverse can also occur. Sometimes gases change directly to solids. | 0.570604 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_1698 | text | null | How well soil forms and what type of soil forms depends on several different factors, which are described below. | 0.567677 |
NDQ_013412 | use of fluid pressure to increase force and do work | null | a. fluid, b. Bernoullis law, c. force, d. pascal, e. Pascals law, f. hydraulics, g. lift | f | T_4823 | text | null | Newtons third law of motion is just one of many scientific laws. A scientific law is a statement describing what always happens under certain conditions. Other examples of laws in physical science include: Newtons first law of motion Newtons second law of motion Newtons law of universal gravitation Law of conservation of mass Law of conservation of energy Law of conservation of momentum | 0.564389 |
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