Work Done by a Force

Work done by a frictional force is

Work done by force of static friction .

Statement -1: The work done by all forces on a system equals to the change in kinetic energy of that system . This statement is true even if nonconservative forces act on the system. Statement -2: The total work done by internal forces may be positive.

Work done by the force of friction

Work Done|Work Done By Friction|Work Done By Spring Force|Questions

Work done by a constant force and Work done by a variable force

Work done by a constant force and Work done by a variable force

Work Done by Variable Force||Work Done by Normal||Tension||Gravity

Work Done by Variable Force||Work Done by Normal||Tension||Gravity

The work done by the force of gravity is 100 J