JEE Main Physics question

PhysicsLaws of MotionJEE Main

A partly hanging uniform chain of length L rests on a rough horizontal table. l is the maximum possible length that can hang in equilibrium. The coefficient of friction between the chain and the table is

Answer: (A)

Solution

λgl = μλg(L−l) ⟹ μ = l/(L−l).

Question ID VK-153055