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ps chap 5 vocab
| Question | Answer |
|---|---|
| transfer of energy that occurs when a force makes an object move;measured in joules. | work |
| amount of work done,or the amount of energy transferred, divided by the time requierd to do the work or transfer the energy;measured in watts. | power |
| machine | |
| input force | |
| output force | |
| mechanical advantage | |
| efficiency | |
| simple machine | |
| lever | |
| pulley | |
| wheel and axle | |
| inclined plane | |
| screw | |
| wedge | |
| compound machine |