Two objects of different masses falling freely near the surface of Moon from same height would

A freely falling object eventually stops on reaching the ground. What happens to its kinetic energy?

Soni says that the acceleration in an object could be zero even when several forces are acting on it. Do you agree with her? Why?

In each of the following a force F is acting on an object of mass m. The direction of the displacement is from west to east shown by the longer arrow, observe the diagrams carefully and state whether the work done by the force is negative, positive or zero.

Calculate the work required to be done to stop a car 1500 kg moving at a velocity of 60 km/h?

An object of mass m is moving with a constant velocity v. How much work should be done on the object in order to bring the object to rest?