free body diagrams if you know the forces acting on an object , you can predict its motion
{"Image DocumentName": "Free-body diagrams If you know the forces acting on an object, you can predict its motion.", "Image ImageDescription": "Free-body diagrams are valuable tools for figuring out the magnitudes and directions of the forces that act on an object. FN1. FN2. Fw. Students sometimes think that free-body diagrams are an end unto themselves. Stress the fact that learning to draw these diagrams is a valuable skill. These diagrams are calculation tools as well as a way of visually presenting key relationships.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}