Advertisements
Advertisements
Question
How is horse power related to the S. I. unit of power?
Solution
1 H.P. = 746 W = 0.746 kW
APPEARS IN
RELATED QUESTIONS
The energy of a body is its capacity to do .........
Define work.
Differentiate between energy and power.
A bullet of mass 0.5 kg slows down from a speed of 5 m s-1 to that of 3 m s-1. Calculate the change in kinetic energy of the ball.
What are the units of (a) work, and (b) energy?
In case of negative work, the angle between the force and displacement is :
Each of the following statement describes a force acting. Which force is causing work to be done?
Is work done a scalar or a vector physical quantity?
What is the ratio of SI units to CGS units of 'work'?
A 100 W electric lamp emits energy in the form of light at the rate 10 J per second. What percentage of electric energy does the lamp transform into light energy?
A man climbs a slope and another walks same distance on level road. Which of the two expends more energy and why?
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
An engine is pulling a train.