Answer :
james watt is remembered for measuring the power of his steam engine: his test with a strong horse resulted in his determination that a "horsepower"was 550 foot-pounds per second. The unit of power in the metric system is called the watt; one horsepower equals 746 watts.
The SI unit of power known as "Watt" is named after James Watt, the Inventory and Mechanical Engineer. A Watt is essentially equal to one joule per second and is often used when measuring the power in an electric circuit.
