English, asked by Kartik9765, 9 months ago

THE EFFICIENCY OF MACHINE .......... BY THE FRICTION

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Answered by 2408akanshagupta98

Answer:

The output work is always less than the input work because some of the input work is used to overcome friction. Therefore, efficiency is always less than 100 percent. ... Some of the force applied to moving the furniture must be used to overcome the friction with the ramp

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