Question: prove that 1 horsepower is equal to 746 watt?
Answer: 1 Foot is 0.3408 meters. = 745.69 Nm/s = 746 Watts. 1HP = 550 Foot Pound per second 1 Pound = 4.44822 Newtons1 Foot is 0.3048 Meters. 1 HP = 550 * 4.44822 * 0.3048 meters1Hp = 745.69 Newton meter per second.