What is Energy?
Energy is the ability to do work. It is a scalar quantityA scalar quantity is a quantity that does not depend on direction. It can also be defined as a quantity with magnitude only. Examples of Scalar Quantities include area, density, distance,... More and is always measured in JoulesJoule is the SI (International System of Units) unit of energy and work. It is equal to the amount of work done when a force of 1 newton displaces a mass... More.
There are different forms of energy and these include:
Chemical Energy: This is energy stored in the chemicals, used as food or as chemicals in giving light energy. It is also easily converted to heat.
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