Define energy. What is its SI unit?
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energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object. It SI unit is joules
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Definition of Energy :
the power that comes from coal, electricity, gas, etc. that is used for producing heat, driving machines, etc.
SI Unit:
The SI unit of energy rate (energy per unit time) is the watt, which is a joule per second
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