Physics Ch. 8 Test Word Scramble
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Term | Definition |
work | how much energy is transferred |
power | how fast or slow work is done |
joules | unit of measure for work |
watts | unit of measure for power |
machine | device that changes force or motion |
work formula | force * distance |
power formula | work / time |
mechanical advantage formula | force output / force input |
mechanical efficiency formula | output / input * 100 |
mechanical advantage | force multiplier that machine gives |
mechanical efficiency | measure of how much work you get out from a machine |
complex machine | machine formed from 2 or more simple machines |
simple machines | ILPWWS |
work input | work done on a machine |
work output | work done by a machine |
force input | force you put on an object |
force output | force on an object through a distance |
effort force | amount of force needed to move an object |
effort distance | distance from the effort on a lever to the fulcrum |
ideal machine | 100% efficient with no energy lost |
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