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BodhiAI
Sept. 23, 2019

Energy:

The energy of a body is defined as its capacity for doing work. 

(1) Since energy of a body is the total quantity of work done, therefore it is a scalar quantity.

(2) Dimension : [ML2T-2] it is same as that of work or torque. 

(3) Units :  joule [S.I.], erg [C.G.S.] 

Practucal units : electron colt (eV), Kilowatt hour (KWh), Calories (cal)