A block of mass .M. is lowered with the help of a rope of negli8gible 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 negli8gible

1.	A block of mass .M. is lowered with the help of a rope of negli8gible 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