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

User Paul Chavez
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16 votes
16 votes
The answer is mechanical advantages
User Roy Ash
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24 votes
24 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%.

User Ecjb
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