In simple we may say -rate of doing work in unit time is power. Further we may say-the amount of energy converted or transferred per unit time is called power. The SI unit of power is watt(w), which is Joules per second (J/S).
SI base units-kg.m2.s-3Read More
In simple term we may say, capacity of doing work is called energy. Total energy of a body is equal to the capacity of the work done by body. The basic unit of energy is joule(J) of metric system or International system of units (SI). In SI unit calculation made as such- mass in the unit of kilogram, distance in meters, time per second squared.Read More