Conservation of energy
Conservation of Energy
In the early part of 19th century the scientist developed the concept of energy and hypothesis that it can be neither created nor destroyed ; this come to be known as the law of the conservation of energy. The first law of thermodynamics is merely one statement of this general law/principal with particular reference to heat energy and mechanical energy i.e., work
In otherwords
Energy can neither be created or nor be destroyed but energy totally convertible from one form to another form.