A block of mass 6kg is lowered with the help of a rope of negligible mass through a distance of 20m with an acceleration of 1.96ms^(-2). Word done by the rope on the block is

A block of mass 6kg is lowered with the help of a rope of negligible m

1.	A block of mass 6kg is lowered with the help of a rope of negligible mass through a distance of 20m with an acceleration of 1.96ms^(-2). Word done by the rope on the block is
Answer» 940.8J 470.4J 235.2J `-940.8J` ANSWER :D