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motion
unit 1
| term | Definition |
|---|---|
| position | describes the location of an object |
| speed | measure of how far something moves in a given amount of time |
| reference point | a location to which you compare other locations |
| motion | a change in position over time |
| vector | a quantity that has both size and direction |
| velocity | speed in a specific direction |
| acceleration | the rate at which velocity changes |
| centripetal acceleration | acceleration in a circular motion |
| force | simply a push or a pull |
| net force | combination of all the forces acting on an object |
| inertie | the tendency of all objects to resist a change in motion. |
| gravity | a force of attraction between force that to their mass |
| free fall | when gravity is pulling it down and no other forces are acting on it |
| orbit | when it travels around another object in space |
| fluid | |
| pressure | |
| pascal | |
| atmospheric pressure | |
| buoyant force | |
| Archimedes principle |