emitereal emitereal

30-05-2020
Physics

contestada

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

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kalweragrace086 kalweragrace086

30-05-2020

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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