A chain of length l and mass m lies on the surface of a smooth hemisphere of radius R gt l with one end tied to the top of the hemisphere. Find gravitational potential energy of the chain with reference to the top of the hemisphere

A chain of length l and mass m lies on the surface of a smooth hemisph

1.	A chain of length l and mass m lies on the surface of a smooth hemisphere of radius R gt l with one end tied to the top of the hemisphere. Find gravitational potential energy of the chain with reference to the top of the hemisphere
Answer» ANSWER :`-(MR^(2)G)/(L)`