Question

what do you mean by 4 horse power engine?​

Answer 1

Explanation:

James Watt, who invented steam engines, figured out a mathematical way to equate horses to engine power.

Thus the term horsepower was invented. Watt measured the capability of a big horse to pull a load and found it could pull a weight of

150-pounds while walking at 2.5 miles per hour.

Answer 2

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Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are the mechanical horsepower (or imperial horsepower), which is about 745.7 watts, and the metric horsepower, which is approximately 735.5 watts.

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