Question

Define the term energy. Write the names of different forms of energy.

Answer 1

1. Energy: It is nothing but the capability or capacity to work.
2. An object having the capability to do work is said to possess energy.
3. For example, When an arrow that is attached to a stretched bow is released it moves in the forward direction. It means stretched arrow possesses energy.
4. SI unit of energy is the joule (J).

Four different forms of energy:

1. Thermal energy (energy due to heat)
2. Electrical energy (energy possessed by charged particles)
3. Light energy
4. Chemical energy