A prism of mass M with its smooth inclined face of inclination θ with horizontal is kept on a rough surface. When a body of mass m is released on its inclined face then its slips down but prism remains at rest then,
A
The acceleration of body is g sin θ
B
Friction force on prism is 
mg sin 2 θ
mg sin 2 θ
C
Maximum friction force on prism is mg/2
D
Friction force on prism is 
mg sin 2 θ
mg sin 2 θ
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a, b, c)
From FBD of prism and mass m
N = Mg + Rcos θ …. (i)
f = R sin θ …. (ii)
R = mg cos θ …. (iii)
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