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, work required to pull the hanging part on to the table is

A uniform chain of length L and mass M is lying on a smooth table and

1.	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, work required to pull the hanging part on to the table is
Answer» `MGL` `(MgL)/2` `(MgL)/9` `(MgL)/18` ANSWER :D