Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
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
संबंधित प्रश्न
Write an expression for the work done when a force is acting on an object in the direction of its displacement.
Define 1 J of work.
Can there be displacement of an object in the absence of any force acting on it? Think. Discuss this question with your friends and teacher.
(a) Define power and name its unit.
(b) A girl weighting 50 kg climbs up 60 steps each of 20 cm height in 5 minutes. Calculate the power developed.
Explain, why submarines are able to dive underwater as well as a sail on the surface of the water?
What is the difference between renewable and non-renewable resources?
The weights of two bodies are 2.0 N and 2.0 kgf respectively what is the mass of each body?
What is work?
