How Horsepower Works | HowStuffWorks
https://auto.howstuffworks.com/horsepower.htm
WebHorsepower rates the engine performance of cars and even lawn mowers. Learn what horsepower means, how it is measured and how it works in high-performance cars. © 2018 HowStuffWorks. What horsepower means is this: In Watt's judgement, one horse can do 33,000 foot-pounds of work every minute.
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