Power is calculated by dividing the amount of work done by the amount of time taken to do the work.
Power = Work / Time
Power = Force ✕ Distance / Time
The unit of power is joule per second (J/s). This unit is also known as the watt (W).
One watt of power is produced when one joule of work is done in one second.
Power and Energy
Power is the rate at which energy is transferred from one object to another.
One horse power equals to 746 watts.