A uniform chain of length and mass is lying on a smooth table and one third of its…
PHYSICS · Single correct · CBSE · Physics · Work, Energy and Power · Work, Energy and Power
Problem
A uniform chain of length L and mass M is lying on a smooth table and one third of its length is hanging vertically down over the edge of the table. If g is acceleration due to gravity, what work is required to pull the hanging part onto the table?
(1) MgL
(2) MgL/3
(3) MgL/9
(4) MgL/18