A force `F` is applied on a block of mass `M`. The block is displaced through a distance `d` in the direction of the force. What is the work done by the force on the block? Does the internal energy change because of this work?

How much force is applied on the body when 780 J of work is done in displacing the body through a distance of 30 m in the direction of force?

What is the work done by a horse in displacing a cart through 5 m in the direction of the force if the force applied by the horse is 10 N?

What is the work done by a horse in displacing a cart through 15 m in the direction of the force , if the force applied by the horse is 10 N ?

A block of mass m is taken from A to B under the action of a constant force F. Work done by this force is

A block of mass m is taken from A to B under the action of a constant force F. Work done by this force is

Find out the work done when a force of 30 N displaces a body through 8 m in the direction of the applied force.

A block of mass 30 kg is pulled up by a rope as shown in Fig. with a constant speed by applying a force of 200 N parallel to the slope. A and B are initial and the final positions of the block. Calculate: (a) the work done by the force in moving the block A to B, (b) the potential energy gained by the block, (c) account for the difference in work done the force and the increase in potential energy of the block.

A cord is used to vertically lower an initially stationary block of mass M at a constant downward acceleration of g/4. When the block has fallen a distance d, find (a) the work done by the cord's force on the block, (b) the work done by the graviational force on the block, (c) the kinitic energy of the block, and (d) the speed of the block.