An object of mass 5 kg falls from rest through a vertical distance of 20 m and reaches a velocity of

A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the wor

A 2 kg mass lying on a smooth horizontal table is displaced in the horizontal direction by 50 cm. Th

The position of a particle of mass 4 g, acted upon by a constant force is given by x = 4t² + t, wher

A cord is used to lower vertically a block of mass M by a distance d at a constant downward accelera

A force F = (x + 1) N acts on a particle in x-direction. What is the work done by this force in disp