Question

a. What do you understand by energy? Define its SI unit,​

Answer 1

Answer:

In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object. ... The SI unit of energy is the joule, which is the energy transferred to an object by the work of moving it a distance of 1 metre against a force of 1 newton.

Answer 2

Answer:

Hi ❤️,

Energy - Energy is the capacity of a physical system to do work. The common symbol for energy is the uppercase letter E. ... There are two main forms of energy, called potential energy and kinetic energy.

S.I unit - J (joule)

hope I helped you :)