Why is the work output of any real machine less than the work needed to operate it? work is gained due to friction work is lost due to friction friction reduces the work input

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asked Sep 17, 2019 83.2k views

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Why is the work output of any real machine less than the work needed to operate it?

work is gained due to friction
work is lost due to friction
friction reduces the work input

Physics
high-school

Mireia asked

by Mireia

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work is lost due to friction

Shihongzhi answered Sep 23, 2019

by Shihongzhi

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