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A wooden wedge of mass M and inclination...

A wooden wedge of mass M and inclination anlgle`(alpha)` rest on a smooth floor. A block of mass m is kept on wedge.A force F is applied on the wedge as shown in the figure such that block remains stationary with respect to wedge So, magnitude of froce F is

A

(M+m)g tan `alpha`

B

g tan `alpha`

C

mg cos `alpha`

D

(M+m)g cosec `alpha`

Text Solution

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The correct Answer is:
A
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