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Physics

Which class of lever will always have M.A. > 1 and why?

Machines

ICSE 2017

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Answer

From relation,

M.A. = Effort armLoad arm\dfrac{\text{Effort arm}}{\text{Load arm}}

When effort arm > load arm then M.A. > 1.

Hence, we can say that class II lever always has M.A. > 1 because it has the effort arm always longer than the load arm.

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