Energy is the capacity of a system to do work. there are many different forms fo energy. Energy cannot be either created or destroyed. It instead transforms from one form to another. There are many different kinds of energy but however most of them fall under two categories. These two categories are Potential Energy and Kinetic Energy. Now lets look at different kinds of energies.
-Potential Energy is the energy stored in a body or in a system. The SI unit for measurement of energy and work is Joule (J).
-Chemical Energy is the potential of a chemical substance to undergo a transformation through a chemical reaction or to transform other chemical substances.
-Gravitational Energy is energy an object possesses because of its position in a gravitational field.
-Elastic Energy is stored in objects that are stretched, compressed, bent, or twisted. It is the energy that represents the elastic distortion of a solid or a fluid.
-Kinetic Energy of an object is the energy which it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its velocity. it is the energy described in motions of waves, molecules, objects, substances etc.
-Mechanical Energy is the energy stored in the movement of the objects. Mechanical energy is created by the physical movement or rotation, revolution etc of anything.
-Thermal Energy is the vibration and the movement of atoms and molecules in a substance. It is the total mechanical energy of the particles in a substance.
-Sound Energy is a wave of vibrations in a material. It is the movement of energy in materials through different kinds of waves.
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