Question

explain with example the concept of energy

Answer 1

Energy, in physics, the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms. ... All forms of energy are associated with motion. For example, any given body has kinetic energy if it is in motion.

Answer 2

The capacity for doing work is called energy. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms. All forms of energy are associated with motion.
For example, any given body has kinetic energy if it is in motion.