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Explain: Law of conservation of energy
The Law of conservation of energy states that ‘Energy can neither be created nor be destroyed. It can only be changed from one form to another’. The energy that is present all over the universe is constant. If there is an increase or decrease in the energy present, then the total energy changes, violating the principle of conservation of energy.
For example, when a petrol or diesel car moves, the chemical energy present in petrol or diesel converts into kinetic energy and heat energy. Supposing a 100 J of chemical energy comes from burning fuel would convert into 15J of kinetic energy and 85J of heat energy, indicating that the energy before conversion is equal to energy after conversion.
Updated on: 10-Oct-2022
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