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Lesson 2 Vocab

Vocab

QuestionAnswer
The transfer of energy that occurs when a force makes an object move; measured in joules. Work
Amount of work done, or the amount of energy transferred, divided by the time required to do the work or transfer the energy; measured in watts(W). Power
A device that makes doing work easier. 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 by the machine, expressed as a percentage. Efficiency
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