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Physics Ch. 8 Test

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
Created by: itslizzie143