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29-04-2024
Physics

Answered

A uniform rod of mass M and length L leans against a frictionless wall, with quarter of its length hanging over a corner as shown. Friction at corner is sufficient to keep the rod at rest. Then the ratio of magnitude of normal reaction on rod by wall and the magnitude of normal reaction on rod by corner is

(A) 1/2 sinθ
(B) 2/sinθ
(C) 1/2 cosθ
(D) 2/cosθ

Answer :

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