Physics, asked by bynalikitha2977, 11 months ago

Why a lever always has efficiency less than 100 percent?

Answers

Answered by ranbeerraja1

Answer:

Bcos nothing is perfect in this world

Answered by dranabhat7499

Answer:

The output work is always less then the input work because some of the input work is used to overcome friction. Therefore a lever always has efficiency less than 100%

Explanation:

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