A man moves on a straight horizontal road with a block of mass 2 kg in his hand. If he covers a distance of 340 m with an acceleration of `0.5 m/s^2` find the work done by the man on the block during the motion.

A man moves on a straight horizontal road with a block of mass 2 kg in his hand If he covers a distance os 40 m with an accelertion of 0.5ms^(-2) Find the work done by the man on the block during the motion.

A man moves on a straight horizontal road with a block of mass 2 kg in his hand. If he covers a distance of 40m with an acceleration of 1ms^(-2) , find the work done by the man.

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 block of mass 30.0 kg is being brought down by a chain. If the block acquires as speed of 40.0 (cm)/s in dropping down 2.00 m ,find the work done by the chain during the process.

A block of mass 5 kg is placed on bus moving with acceleration 2 m//s^(2) .pseudo force acting on block as seen by a man on ground is -

A block of mass 5kg is being raised vertically upwards by the help of a string attached to it. It rises with an acceleration of 2ms^-2 . Find the work done by the tension in the string if the block rises by 2.5m . Also find the work done by the gravity and the net work done.

On the horizontal surface of plank a block of mass 1 kg is placed (mu=0.6) which is stationary w.r.t. plank. Plank is moving with acceleration 5 m//s^(2) , then the frictional force on the block will be