Thursday, December 30, 2010

Horsepower Versus Torque In A Vehicle

Here's an informative "basic" classical mechanics, as applied to motor vehicles. Might be something you want to read if you're shopping for new vehicles.

“Horsepower, in physics or engineering terms, is a measure of work, and work is defined as moving something with some force in a certain amount of time. Torque is a force, and can be briefly described as what force it takes to turn an axle or a rod. Horsepower and torque are related based on the speed of the engine,” says Gary Pollak, program manager for ground vehicle standards with the Society of Automotive Engineers (SAE) International.

Don't think I want to quibble about the definition of "work" being "... moving something with some force in a certain amount of time.. ", since this probably makes no difference here.

Zz.

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