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Motion(Rhea)
physical science; motion
| Question | Answer |
|---|---|
| motion | change in position |
| speed | distance traveled per unit of time |
| velocity | speed and direction |
| acceleration | change in speed or direction |
| balanced forces | forces equal in size but opposite in direction |
| force | push or pull |
| unbalanced forces | forces that cause a change in the motion of an object |
| inertia | tendency of an object to stay at rest or in motion |
| newton | unit force equal to one kilogrammeter per second per second |
| action force | force acting in one direction |
| reaction force | force acting in the opposite direction |