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ch.5 vocab : )

lesson 1, 2 , 3

QuestionAnswer
transfer of energy that occurs when a force makes an object move; measured in joules work
amount of word done, or the amount of energy transferred, divided by the time required to do the work or transfer the energy; measured in watts. power
device that makes doing work easier by increasing the force applied to an object; changing the direction of an applied force, or increasing 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 word done on the machine, expressed as a percentage. efficiency
Created by: josesexyman
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