Every real machine: must be more than 100% efficient must be equal to 100% efficient must be less than 100% efficient

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asked Aug 20, 2020 220k views

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Liam Spencer · Answer 1 · 2020-08-24T03:03:45+0000

Real machines have a efficiency less than 100%. Friction lowers the efficiency and the work output is less than the work input, because friction uses work which is converted, mostly, into heat energy or sound energy.

Every real machine: must be more than 100% efficient must be equal to 100% efficient must be less than 100% efficient

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