Waterwheel Experiments for Students

The torque, or twisting moment, was 12 inches times 25 pounds or 300 inch-pounds or 25 ft-lbs. Power. Power is the rate of doing work and is proportional to the rotation speed, Ń, times the restraining torque, T. The classic English measurement is the horsepower (hp), which James Watt defined as 550 ft … ................
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