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Stack #4624822
| Question | Answer |
|---|---|
| displacement | The difference between the initial, or starting position and final position. |
| speed | a measure of a distance an object travels in the given amount of time. |
| velocity | speed and direction of a moving object. |
| vector | a quantity that has both magnitude and direction. |
| reference point | the starting point. |
| position | an object distance and direction from the reference point. |
| motion | the progress of changed position |
| Acceleration | |
| force | A push or a pull on an object. |
| Contact force | is a push or a pull on one object by another object that is touching it. |
| Newton's 2nd law | States that the acceleration of an object equals the net force on the object divided by the object's mass |
| Friction | |
| Free-body diagram | |
| Net force | |
| Newton's first law |