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Stack #4624780
| words | definition |
|---|---|
| acceleration | a measure of change in velocity during a period of time |
| contact force | a push or a pull on one object by another object that is touching it |
| force | a push or pull on an object |
| newton's first law | an object at rest will stay at rest, and an object in motion will stay in motion unless a force acts on the object |
| newton's 2nd law | law that states that the acceleration of an object is equal to the net force exerted on the object divided by the object's mass |
| net force | the combination of all the forces acting on an object |
| friction | a contact force that resists the sliding motion of two surfaces that are touching |
| free-body diagram | a simple model to understand what will happen to an object due to a force |