# Quick Answer: When no forces act on moving objects their paths are normally?

## What type of path does a moving object follow in the absence of a force?

8. What type of path does a moving object follow in the absence of a force? A straight line path.

## Is it possible for an object to move without a net force?

An object’s velocity (a vector) does not change if and only if the net force acting on the object is zero. In other words, if there is no net force on an object, its speed and direction of motion do not change (including if it is at rest).

## What has zero acceleration an object?

A body either at rest or moving with constant velocity has zero acceleration. And in the condition of mechanical equilibrium also the acceleration zero.

## When the net force on an object is zero its acceleration?

Newton’s First Law can be seen to be the special case in the Second Law when F, the net force, is zero. When that happens, the acceleration a must also be zero. Since acceleration is given by the change of velocity divided by elapsed time, the velocity doesn’t change.

## What exactly is meant by a freely falling object?

What exactly is meant by a “freely fallingobject? An object in free fall falls under gravity alone with no friction. The acceleration of free fall is about 10 m/s2.

## Is inertia The reason for moving objects?

Yes, inertia keeps objects at rest, at rest and objects in motion, in motion until acted upon by an outside force.

## What will happen to an object if no force is applied?

The key point here is that if there is no net force acting on an object (if all the external forces cancel each other out) then the object will maintain a constant velocity. If that velocity is zero, then the object remains at rest. If an external force is applied, the velocity will change because of the force.

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## Can a body move without force?

Yes, it is possible to have motion without a force being present. Newton’s first law states that, in fact, an object must continue to move at the same

## What happens when two objects collide?

Newton’s third law of motion is naturally applied to collisions between two objects. In a collision between two objects, both objects experience forces that are equal in magnitude and opposite in direction. Such forces often cause one object to speed up (gain momentum) and the other object to slow down (lose momentum).

## Can an object have zero acceleration and be at rest?

Finding the acceleration

Thus, even though the velocity of an object at rest must be zero, acceleration can clearly be non-zero for objects at rest. A particle that is thrown vertically upwards stops momentarily at the highest point of motion.

## What is the net force acting on a 1 kg ball in free fall?

The net force acting on 1-kg ball in free fall is 9.8 N.

## What is the net force that acts on a 1 kg freely falling object?

What is the net force acting on a falling 1 kg ball if it encounters 2N of air resistance? 2), which is equal to 10 N. Air resistance is a force in the opposite direction to a falling weight so the net force acting on the ball is 10 N – 2 N = 8 N.

## How do you know if net force is zero?

If 2 forces push or pull on an object in opposite directions, and the two forces cancel each other exactly, the net force is zero. If two forces act on an object in opposite directions and they don’t exactly cancel, what is left over is the net force (the difference in the forces).

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## Why does force cause acceleration?

Acceleration and velocity

Newton’s second law says that when a constant force acts on a massive body, it causes it to accelerate, i.e., to change its velocity, at a constant rate. In the simplest case, a force applied to an object at rest causes it to accelerate in the direction of the force.

## Is 0 a constant velocity?

Car 1 – Velocity and acceleration graphs

Constant velocity means the acceleration is zero.
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