priyanshi12345 priyanshi12345
  • 14-07-2021
  • Physics
contestada

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

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s20109293775
s20109293775 s20109293775
  • 14-07-2021

Answer:

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

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danielwhitlowcook danielwhitlowcook
  • 14-07-2021
The answer is mechanical advantages
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