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New question what is energy​

Answer»
  • In physics, energy is the QUANTITATIVE property that must be transferred to an object in order to perform work on, or to heat, the object. Energy is a conserved quantity; the law of conservation of energy states that energy can be converted in form, but not created or destroyed.

In SI base UNITS: J = kg m2 s−2

Other units: erg, calorie, kcal, BTU, kW⋅h, EV



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