explain why the efficiency of a simple machine cannot excced 100%​

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explain why the efficiency of a simple machine cannot excced 100%​

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RobertKer 5 years 2021-09-05T05:43:31+00:00 1 Answers 16 views 0

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  1. thienan
    0
    2021-09-05T05:45:19+00:00
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    it is becoz some of the input is used to overcome friction

    Explanation:

    The output work is always less than the input work because some of the input work is used friction force, therefore efficiency is always less than one

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