The efficency of a practical machine is less than 100% why?

asked May 24, 2018 104k views

1 vote

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3 votes

the output is always smaller than the input due to friction, therefore efficiency is always less than 100%

Zhaonan answered May 25, 2018

6.8k points

3 votes

because machines tend to have programming errors of some kind

Chirality answered May 29, 2018

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