What is an Energy ?
Ans. Energy is defined as the ability of a physical system to do work. Energy must be transferred to an object in order to perform work. Energy is a conserved quantity, It can neither be created nor can be destroyed, it can only be transferred from one form to another.
What is the SI unit of Energy ?
Ans. The SI unit of energy is the joule, which is the energy required to displace an object to a distance 1 metre against a force of 1 newton.
We have some handy energy converters to perform conversions.