'This is defined as the power needed to lift 550 pounds 1 foot in 1 second'
a horsepower
WEIGHTS & MEASURES: This is defined as the power needed to lift 550 pounds 1 foot in 1 second
This is defined as the power needed to lift 550 pounds 1 foot in 1 second
This is defined as the power needed to lift 550 pounds 1 foot in 1 second
WEIGHTS & MEASURES
a horsepower
WEIGHTS & MEASURES