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Motion 1
| Term | Definition |
|---|---|
| position | describes the location of an objetct |
| reference point | location which you compare to other locations |
| motion | change in position over time |
| speed | measure of how quick or slowley an object is going |
| vector | the quantity that has both size and direction |
| velocity | is the speed in a specific direction |
| acceleration | the rate in which velocity changes |
| centripetal acceleration | acceleration in a circular motion |
| force | a push or pull |
| inertia | the combination of all the forces acting on an object |
| net force | the tendency of all objects to resist a change in motion |
| gravity | is a force of attraction between objects due to their mass |
| free fall | when gravity is pulling down and no forces are acting upon the object |
| orbit | when an object travels around another object in space |