what do you mean by ma of a lever is 3,VR of a lever is 4 and n of a mechine is 60%
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Let me explain you.. Explanation:V.R of a lever is 3 means effort distance of the lever is 3 times more than the effort distance of the load. ... Efficiency of a lever is 60% means 40% of the energy is wasted due to friction as no machine is Friction less
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Answer: NO PROBLEM I'LL TELL IT LATER ON
Explanation:
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