“Energy cannot be newly created. Energy cannot be destroyed. In a closed system, the total mass
and energy remains unchanged. In a closed system the energy is conserved”.
The law does not distinguish between useful and wasted energy. The law neglects ‘losses’ from
the closed system into the environment.
In an energy conservation process, energy is transmitted from one or more forms to another form/
forms resulting in certain work, heat transfer and energy loss.
In a closed system containing certain quantity of matter and energy, several energy transformations
may take place from one form to another. The total mass and energy in the closed system remains
unchanged.
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