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Physics-Work/Power
| Question | Answer |
|---|---|
| Joule | unit of work |
| Watt | SI unit of power |
| Power | rate of doing work (work divided by time) |
| Work output | cannot be greater than work input |
| How can machine make work easier? | multiplying the force you apply |
| Pulley system reduces effort force by… | increasing distance where the force is applied |
| Compound machine | two or more simple machines that operate together |
| Work | transfer of energy |