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force and motion
| Question | Answer |
|---|---|
| force | a push or pull |
| friction | a force between surfaces that slows objects or stops them from moving |
| inertia | the tendency of an object in motion to stay in motion or of an object at rest to stay at rest |
| motion | a change in a objects position |
| speed | how fast an objects position changes over time at any given moment |
| velocity | the speed and direction of an object |