A mass "M" is lowered with the help of a string by a distance "h" at a constant acceleration (g)/(2) .The work done by the string will be

A mass M is lowered with the help of a string by a distance h at a distance acceleration g//2 . The work done by the string will be

A block of mass m tied to a string is lowered by a distance d, at a constant acceleration of g//3 . The work done by the string is

A body of mass m is allowed to fall with the help of string with downward acceleration (g)/(6) to a distance x. The work done by the string is

A string is used to pull a block of mass m vertically up by a distance h at a constant acceleration (g)/(3) . The work done by the tension in the string is

A body of mass m is allowed to fall with the help of string with downward acceleration g/6 to distance x. The work done by the string is

A cord is used to lower vertically a block of mass M through a distance d at a constant acceleration g//4 . Find the work done by the cord on the block.

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

A cord is used to lower vertically a block of mass M , a distance d at a constant downward acceleration of (g)/(4) , then the work done by the cord on the block is

A bucket of mass 4//3 is tied to a string and is lowered at a constant acceleration of g//4 . The magnitude of work done (in joule ) by the string in lowering the bucket by 10 cm would be :