Calculate the mecahnical advantage of the lever shown in figure.

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asked Dec 7, 2018 in Class X Science by aditya23 (-588 points)

(i) Calculate the mecahnical advantage of the lever shown in figure.
(ii) How do you define mechanical advantage of a machine?

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answered Dec 7, 2018 by muskan15 (-2,322 points)

(i) Clockwise moment = b x L; and Anti-clockwise moment = a x E

 ∴ Clockwise moment = Anti-clockwise moment

∴  b x L = a x E

Or L/E = a/b

(ii) Mechanical advantage is the ratio of the load lifted to the effort applied.

M.A = L/E = a/b

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