When James Watt started to sell steam engines, he found that an average horse, working at a steady rate, could do ____ foot-pounds of work per second.

Name: When James Watt started to sell steam engines, he found that an average horse, working at a steady rate, could do ____ foot-pounds of work per second.
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James Watt found that an average horse could do 550 foot-pounds of work per second, which became the standard unit of measuring power known as horsepower.

When James Watt Started to Sell Steam Engines, He Found