Power is the rate at which work is done. Horsepower is a restatement of the amou

Question

Power is the rate at which work is done. Horsepower is a restatement of the amount of power in terms of the ability of a horse to do work. Calculate the power required to lift 65 lbm. against the acceleration of gravity by 110 feet in 100 seconds. State the result in Ft.* Lbf. / sec. and HP. Remember that 1 Lb-force = 1 Lb-mass * 32.2 ft/sec2. , 1 HP = 550 Ft.* Lbf. /secPower is the rate at which work is done. Horsepower is a restatement of the amount of power in terms of the ability of a horse to do work. Calculate the power required to lift 65 lbm. against the acceleration of gravity by 110 feet in 100 seconds. State the result in Ft.* Lbf. / sec. and HP. Remember that 1 Lb-force = 1 Lb-mass * 32.2 ft/sec2. , 1 HP = 550 Ft.* Lbf. /sec. Power is the rate at which work is done. Horsepower is a restatement of the amount of power in terms of the ability of a horse to do work. Calculate the power required to lift 65 lbm. against the acceleration of gravity by 110 feet in 100 seconds. State the result in Ft.* Lbf. / sec. and HP. Remember that 1 Lb-force = 1 Lb-mass * 32.2 ft/sec2. , 1 HP = 550 Ft.* Lbf. /sec

Explanation / Answer

work done=F.D

          =m*a.D

         =230230 lbFt2/sec2

power=work done/time

           =230230 lbFt2/sec2/100sec

           =2302.3lbFt/sec2

H.P=4.186

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