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motion 1
unit#1
| Term | Definition |
|---|---|
| position | decribes the location of an object |
| reference point | a location to which you compare other locations |
| motion | is a change in possition over time |
| speed | a measure of how far something moves in a givin amount of time |
| vector | is a quanty that has both size and direction |
| velocity | the speed in a specific direction |
| acceleration | the rate at which velocity changes |
| centripetal acceleration | acceleration in a circular motion |
| force | is a push or pull |
| net force | the force action on an object |
| inetia | tendency of objects resisting in motion |
| gravity | a pull to another object do mass |
| free fall | gravity pulling down with no other forces |
| orbit | tavling around another object in space |
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