A. One hundred.
Q. How many foot-pounds required to lift one pound 100 feet?
A. One hundred.
Q. To lift 110 pounds through 300 feet how many foot-pounds required?
A. 300 × 110 = 33,000 foot-pounds.
Q. Would that equal one horse-power?
A. Yes, if done in one minute.
Q. Suppose it took two minutes?
A. Then there would be only half a horse-power, or 33,000 ÷ 2 = 16,500 foot-pounds per minute.
Q. Is it correct to say “horse-power per minute” or “horse-power per hour”?