Power is define as________.

Option 3 is correct.

CONCEPT:

• Power (P): The rate of work done is called power.
  • The SI unit of power is the watt (W).
• Force: It is the push or pulls off an object. Push and pull come from the objects interacting with one another.
• Energy: An object having the capability to do work is said to possess energy.
  • Energy has the same unit as that of work.
  • Energy exists in nature in several forms such as kinetic energy, potential energy, heat energy, chemical energy, etc. The sum of the kinetic and potential energies of an object is called mechanical energy.
  • Energy is the capacity to do work or to produce heat.

EXPLANATION:

• The rate of doing work is called power. So option 3 is correct.