A block of mass m is kept on a platform Platform starts moving upwards with an acceleration of `g/2` . Find the work done by the normal force on the block in the first one second.

A block of mass m is kept on a platform which starts from rest with constant acceleration g/2 upward, as shown in fig. Work done by normal reaction on block in time t is :

A block of mass m is kept on a platform which starts from rest with constant acceleration g/2 upward, as shown in fig. Work done by normal reaction on block in time t is :

A block of mass m is kept on a platform which starts from rest with constant acceleration g/4 upward, as shown in the figure. Work done by normal reaction on block in time t is:

A block of mass 'm' is kept on a smooth moving wedge. If the acceleration of the wedge is 'a'

A block of mass M is kept on a platform which is accelerated upward with a constant acceleration 'a' during the time interval T. The work done by normal reaction between the block and platform is

A block of mass M is kept on a platform which starts accelerating upwards from rest with a constant acceleration a. During the time interval T, the work done by contact froce on mass M is (##NAR_NEET_PHY_XI_P2_C06_E09_011_Q01##)

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 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 suspended by a light thread from an elevator. The elevator is accelerating upward with uniform acceleration a. The work done by tension on the block during t seconds is (u = 0)