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physics energy
| Question | Answer |
|---|---|
| work | transfer of mechanical energy |
| power | rate of which work is done |
| positive work | forces in the direction of an objects motion |
| negative work | forces in the opposite direction of an objects motion |
| =fdcos() | work |
| work/time | power |
| fd/t | power |
| energy | the ability to do work |
| Nm | work |
| Watt | power |