Advertisements
Advertisements
Question
Advertisements
Solution
Horse power is the unit of power. The horsepower used for electrical machines is defined as exactly 746 watt.
Classically, a horse exerting 1 H.P. can raise 330 pounds of coal 100 feet in a minutes, or 33 pounds of coal 1,000 feet in one minute, or, 1,000 pounds 33 feet in one minute.
APPEARS IN
RELATED QUESTIONS
Power spent by a body depends on the time for which it does work.
Find the kinetic energy of a body of mass 1 kg moving with a uniform velocity of 10 m s-1.
In which of the following case the work done by a force will be maximum : when the angle between the direction of force and direction of motion is 0° or 90°?
Can work done be zero even if force acts on the body?
List any six forms of energy and write a short note on each of them.
Force acting on a particle moving in a straight line varies with the velocity of the particle v as F = `K/v`, where K is a constant. The work done by this force in time t is
