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Law Of Conservation Of Energy

Law of Conservation of Energy

               It has been known that all substances are composed of matter and energy. The energy can be defined as the capacity to do work. there is a Law of conservation of energy, according to which the energy can neither be created nor can it be destroyed, but it can be converted from one form to another. For example , the water from sea rises up in vapour from due to heat energy of sun and form clouds. The clouds, due to their high position, possess potential energy and when the rain falls, this water forms streams, waterfalls and then rivers.Thus ,the potential energy is converted into kinetic energy .The kinetic energy may be used to turn the wheel of a turbine, so changing kinetic energy to mechanical energy and if an alternator is coupled to the turbine , the mechanical energy is converted into electrical energy which, in turn, can be converted to heat energy.

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