Show that impulse of a force is equal to change in linear mometum produced by the force.

What is meant by impulse of a force? Prove that, impulse of a force on a body is equal to the change in momentum of the body.

Show that the work done by a varible force is equal to the change in kinetic energy of an object.

Show that the work done by an external constant force on a body is equal to the change in kinetic energy of the body.

Two forces of equal magnitude act simultaneously on a partical. If the resultant of the forces is equal to the magnitude of each of then the angle between the forces is

A body of mass 10 kg is raised to a height of 10 m with an upward force of 196 N . Find the work done by the upward force and the work done against gravitation. Show that the total energy in this case is equal ot the work done by the upward force . [g=9.8 m*s^(-2) ]

(i) Show that heat of reaction at constant volume is equal to the change in internal energy of the system. (ii) Show that heat of reaction at constant pressure is equal to the change in enthalpy of the system.

Show that, 'Pressure X Area = Force

What is force?

When two forces appiled on an object are equal and opposite, then the forces.