A block of mass 
is placed on a wedge of mass 2 m which rests on a rough horizontal surface. There is no friction between the block and the wedge. The minimum coefficient of friction between the wedge and the ground, so that the wedge does not move, is
Text Solution
Verified by ExpertsThe correct answer is:
B
For block, 
…(i)
…(ii)
For wedge,
…(iii)
…(iv)
Solving above four equations, we get
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