Ch8, Calculating Horsepower and Torque

HP = 33k foot-lbs / minute

HP = w / (time in minutes x 33,000)

If you moved a 200lb box twenty-five feet, and you accomplished it in two minutes, how much horsepower have you exerted?

(Round your answer to the 3rd decimal place)

HP = 33k foot-lbs / minute

HP = w / (time in minutes x 33,000)

If you moved a 125lb box thirty feet, and you accomplished it in one and a half minutes, how much horsepower have you exerted?

(Round your answer to the 3rd decimal place)

HP = 33k foot-lbs / minute

HP = w / (time in minutes x 33,000)

If you moved a 500lb object fifty feet, and you accomplished it in five minutes, how much horsepower have you exerted?

(Round your answer to the 3rd decimal place)

HP = work / (time in minutes x 33,000)

If a car that weighs 5,200 lbs is able to drive 1/4 of a mile in 10 seconds, how much horsepower has been exerted?

HP = work / (time in minutes x 33,000)

If a car that weighs 10,000 lbs is able to drive 2 miles in 90 seconds, how much horsepower has been exerted?

Torque = force x radius

Rotational HP = T x (rpm/5252)

If you are using a 12-inch wrench, and you are applying 10 lbs of force, how much torque has been applied in ft-lbs of torque?

Torque = force x radius

Rotational HP = T x (rpm/5252)

If you are using a 8-inch wrench, and you apply 50 lbs of force, how much torque has been applied in ft-lbs of torque?

Torque = force x radius

Rotational HP = T x (rpm/5252)

If you are using a 8-inch wrench, and you apply 50 lbs of force, how much torque has been applied in inch-lbs of torque?

Torque = force x radius

Rotational HP = T x (rpm/5252)

If you are using a 12-inch wrench, and you are applying 10 lbs of force, how much torque has been applied in inch-lbs of torque?

Torque = force x radius

Rotational HP = T x (rpm/5252)

If a car's 18-inch wheels can turn with 100 lbs of force when the engine is running at 2500 rpm, what is the amount of rotational HP being produced?