Question

Horsepower is defined as work per unit of
A. work.
B. force.
C. torque.
D. time.

Answer 1

Answer:

D ) time

Explanation:

• Horsepower (hp) is a unit of measurement of power, in the foot-pound-second ( fps ) or English system which is used to express the rate at which mechanical energy is expended

• This also can be used as the rate at which work is done.

• horsepower is rarely used to express power in any form other than mechanical.

• power is the rate of workdone

$power=\frac{work.done}{time}$

• Power is mainly measured in Watts (W) which is the SI unit of it

• To convert from horsepower to kilowatts

                   1 hp = 0.746 kW