Efficiency of a lever is always less than 100%. give reason.

asked Jun 18, 2022 215k views

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5 votes

The answer is mechanical advantages

Ramez answered Jun 18, 2022

by Ramez

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4 votes

Answer:

Answer: mechanical advantage is always less than velocity ratio due to friction. So the efficiency of a machine is always less than 100%.

Sungguk answered Jun 22, 2022

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