Page 22 How much horsepower is needed from an electric motor which powers a hoist lifting 1250 pounds a vertical distance of 10 feet in 15 seconds? 1-51 HP 12. An electric motor with an input of 7460 watts has how much input horsepower? 7460 * 0. 5013 59 10 HP = 10. 1427 13. An 11,375 pound aircraft is jacked 10 feet off the hangar floor in ten seconds. How much horsepower was needed to accomplish this? 20.68 HP 14 . An object weighing 3500 pounds was lifted by a hand cranked hoist. The object was lifted 5 feet in 15 seconds. How much horsepower was expended? 21 12 HP 15. A motor that can move 71500 pounds a distance of 100 feet in 6 seconds is developing how much horsepower? 2166. 66 HP 16. An electric motor that is moving 225 pounds a distance of 2 feet in 1/2 second is developing how much horsepower? 163 HP 17. How much horsepower is needed to move a small aircraft a distance of 115 feet across the hangar floor if 75 pounds is required to keep it moving and the work is done in 3 minute? a. 08HP 18. A 3 and 1/2 horsepower lawnmower engine supposedly has the power to move how many foot pounds per second? 1925 ft / 1bs/ sec 19. A 5 horsepower Gasoline engine supposedly has the power to move how many foot pounds per minute? 16500 ft/ 1bs/ min J. A 1/2 horsepower electric motor supposedly has the power to move how many foot pounds per second? 2ns ft /lbs / sec CS Scanned with CamScanner