Energy

Energy is defined as the capacity to do some work.

The UNIT used to measure energy is joules or watt-seconds

W’ is the symbol which denotes energy

Energy CHANGES from one form to another

Energy is a time quantity or component It is an instantaneous quantity

Various types of energy are kinetic, thermal, potential, gravitational, sound, electromagnetic, light, elastic, etc

Energy is known to be stored which can be used in future

energy is used in MOVING a car, heating home, lighting night, flying an aeroplane, etc

Power

It is power which is integrated over time. Power is defined as the rate at which a specific work is done, or which the energy is transmitted.

The unit used to measure this is watt or joules PER second

The symbol used to denote power is P.

Power cannot be transformed from one type to another

Different kinds of power are electric power, optical power, human power, etc.

Power quantity is not storable or cannot be stored

Power FINDS its uses in mechanical applications, electrical applications,heat applications, etc