Question

what is energy? for class 9​

Answer 1

Answer:

The energy may be defined as the capacity of a body to do work. – The SI unit of energy is joule (J). or 1 kJ = 1000 J. Forms of energy : The various forms include potential energy, kinetic energy, heat energy, chemical energy, and light energy.

Answer 2

Answer:

The energy of a body is its capacity of doing work. The S. I. unit of energy is Joule (1 KJ = 1000 J). Form of energy : (P.E & K.E.), heat energy, light energy, sound energy etc.

Explanation:

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