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vocabulary week 1
force and motion
| friction | works in the opposite direction that an object is moving |
| position | the location of an object |
| velocity | the speed of an object with the direction it is traveling |
| speed | how fast an object changes position over time |
| inertia | the tendency of an object to resist a change in motion |
| force | a push or pull that acts on an object |
| acceleration | a change in velocity |
| decceleration | when a force causes a decrease in speed |