A mass misplacedonawedge(triangularblock)ofmassM.ThewedgemovesonasmoothhorizontalsurfacewhatshouldbetheforceFappliedonthewedgetotheright,sothatm$ remains stationary with respect to wedge. (Ignore any friction)
A
gtanθ
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B
mgcosθ
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C
(M+m)gtanθ
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D
(M+m)gcosecθ
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Solution
The correct option is C(M+m)gtanθ From figure, mgsinθ=macosθ ⇒a=gtanθ ∴Force,F=(M+m)a =(M+m)gtanθ.