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PS CH 5 CJ

vocab

QuestionAnswer
the transfer of energy that occurs when a force makes and object move. Work
the amount of work done in 1 second Power
device that makes doing work easier by increasing the force applied to an object,changing the direction of an applied force,or ioncreasing the distance over which a force can be applied. machine
the force that is applied to the machine. input force
the force applied by the machine. output force
ratio of the output force exerted by a machine to the input force applied to the machine. mechanical advantage
ratio of the output work done by the machine to the input work done on the machine expressed as a percentage. efficiency
Created by: billybobthebob
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