Energy is the quantitative possessions that have to be relocating into an object to work. Energy transfer to the object by work. On earth, much natural energy was discovered some of the energy is gravity energy, lightning energy, sound energy, etc. the most popular and easily available energy is light energy and heat energy. This energy was taken from the natural source. There are many powers available but the Power to Choose is important. Energy is a source to use for working. Energy is a very essential need for every human being. Without energy, human activity was stopped.
Thomas Young is the first person to use the term energy. The word energy is derived from the ancient Greek word, Romanized which means energetic lit. The word first used by Aristotle in the 4th century. Aristotle gives the contrast definition to the term energy. That is energy is a qualitative philosophical concept, ideas include happiness and pleasure. This definition is different to compare modern technology.

Units
In 1843 joule independently discover the mechanical energy. From that, the unit of energy is called joule. In the letter it is called J. in the international system of the unit also accepts the …








