What is Energy?Explain in brief

Hi Aga!

Energy is a quantity. In simple words, energy is the ability of a physical system to produce changes in another physical system. Example: heat energy, sound energy, kinetic energy etc. The SI unit of energy is joules (J).


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energy is wht u wasted while asking.


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Energy is what you waste while playing computer games.


Energy is the power to do work.Its si unit is joules

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 capacity of a physical system to do work is called energy ..... its S.I unit is joules or ergs :)

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