A block of mass m is lowered with the help of a rope of negligible mass through a distance d with an acceleration of g/3.Work done by the rope on the block is

A block of mass m is lowered with the help of a rope of negligible mas

1.	A block of mass m is lowered with the help of a rope of negligible mass through a distance d with an acceleration of g/3.Work done by the rope on the block is
Answer» `(2Mgd)/(3)` `-(2Mgd)/(3)` `(MGD)/(3)` `-(Mgd)/(3)` ANSWER :B