poudelashish572 poudelashish572

03-03-2021
Physics

contestada

The efficiency of lever is always less than 100%why

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zidaneboussofi2005 zidaneboussofi2005

03-03-2021

Answer:

The output work is always less than the input work because some of the input work is used to overcome friction. Therefore, the efficiency is always less than 100 percent.

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