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Scrat [10]
2 years ago
14

What do you mean by MA of a lever is 3 , VR of a lever is 4 and efficiency of a machine is 60%​

Physics
1 answer:
Montano1993 [528]2 years ago
6 0
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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