What is the difference between torque of the car and its orse power?
Answer:
Torque is the pure rotational force that an engine can put out. It's what breaks the tires loose at the stop light.
Horsepower measures how well the engine can continue to produce torque as speed increases. An engine that can maintain a higher torque at speed will have greater horsepower than one that peaks out sooner.
Horsepower gets you top speed. Torque gets you off the line quickly, and helps pull heavy loads.
power is the rate at which torque is delivered. P = T*omega, where T is the torque of the engine crankshaft and omega is the rotational speed in radians per second. There are 2*pi radians per revolution of the crankshaft.
Work = Torque (ft. lb.) x angle thru which the torque acts, in radians
Work = Torque (ft. lb.) x (2 x Pi x Number of Revolutions)
HorsePower = Work/time = ft-lb/minute
1 horsepower = 33,000 ft. lb./min.
HP=Torque(ft.lb.)x(2xPixNumber of Revs)/(minutes x 33,000)
Put simply, horsepower is just torque with a time factor added.
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