ladybugcharity2 ladybugcharity2

21-06-2018
Physics

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Why is the efficiency of a machine always less than 100 percent?

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Аноним Аноним

21-06-2018

Because of friction the work done by a machine is always less than the work done on the machine thus there is always some friction the efficiency of any machine is always less than 100 percent.

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andrewgrayy4540ndnd andrewgrayy4540ndnd

04-03-2021

Answer:A

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