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Why value of Ma is always less than VR. How does second class lever make our work easier ?​
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Why value of Ma is always less than VR. How does second class lever make our work easier ?​

User Benteh
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Answer:

Ans:- Value of MA is always lesser than VR because MA is affected by friction but VR is not affected by friction. 2. Efficiency of a lever is never 100% or more. Ans:- Efficiency of a lever is never 100% or more because the friction wastes some of the input energy in the form of heat.

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User Parth Mehta
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