Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
Examples of potential energy:
(i) Water stored at a height in a reservoir.
(ii) A stretched spring.
APPEARS IN
संबंधित प्रश्न
The S.I. unit of energy is .............
The moon is revolving around the earth in a circular path. How much work is done by the moon?
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.
Fill in the blank with suitable word :
The work done on a body moving in a circular path is __________
The velocity of a car increases from 54 km/hr to 72 km/hr. How much is the work done if the mass of the car is 1500 kg?
Does the earth move around the sun with a uniform velocity?
What is the SI unit of work?
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
A donkey is carrying a load on its back.
