Basic explanation
horsepower
In power units, 1 horsepower is equal to the work done by raising the 75-kilometre mass by 1 meter per second.
The English pound horsepower (hp) is defined as a horse pulling a 200 pound (lb) object 165 feet in one minute and multiplying it equals 33,000 foot-lb/min.
Metric horsepower (PS) is defined as a horse pulling a 75-kilometre object 60 meters (60 meters) in one minute, and multiplying it by 4500 kg-m/min.
After unit conversion (1lb = 0.454kg; 1foot = 30.48cm), we finally found that the imperial 1hp = 4566kg-m/min, slightly different from the metric 1PS = 4500kg-m/min, and if the power W (1W = When 1Nm/second = 1/9.8kgm/second), 1hp = 746W; 1PS = 735W results in two different results.
Weights and Measures
1 metric horsepower (horsepower) = 735.49875 watts
1 Watt 0.00136 metric horsepower (horsepower)
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