In the given figure the wedge is fixed, pulley is frictionless and string is light. Surface AB is frictionless whereas AC is rough. If the block of mass 3m slides down with constant velocity, then the coefficient of friction between surface AC and the block is:
Text Solution
Verified by ExpertsThe correct answer is:
B
3 mg sin θ – T – μ (3mg cos θ ) = 0
T – mg sin θ = 0
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