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Work done on a body is equal to change i...

Work done on a body is equal to change in its………….

A

kinetic energy only

B

potential energy only

C

mechanical energy only

D

energy

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The correct Answer is:
A
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KUMAR PRAKASHAN-WORK AND ENERGY -QUESTION & ANSWER (CHOOSE THE CORRECT OPTION FROM THOSE GIVEN BELOW EACH QUESTION)
  1. A body of mass 10kg performs motion along a circle of radius 5m with s...

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  2. Which one among kinetic energy, potential energy and mechanical energy...

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  3. Work done on a body is equal to change in its………….

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  4. Mass of a man is 60kg. He climbs up 20m height with a bucket having wa...

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  5. A box of 20kg mass is pulled by force F with constant velocity on a ho...

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  6. Masses of two bodies are 1kg and 4kg respectively. If their kinetic en...

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  7. Engine of a car of mass 1500kg, keeps car moving with constant velocit...

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  8. Height of water dam in hydroelectric power station is 20m. How much wa...

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  9. Speed of a body in motion is doubled. Its kinetic energy is now …………. ...

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  10. An object is thrown vertically upwards with velocity of 20ms^(-1). At ...

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  11. 1kWh=

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  12. When spring is compressed its potential energy ………..

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  13. What is the unit of work in the SI system of unit?

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  14. What is power?

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  15. A person of mass 55kg pushesh a wall. Work done by this person …………..

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  16. In momentum of the object having mass 4kg is 20kgms^(-1), what would b...

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  17. An object of mass 2kg is thrown in the upward direction with velocity ...

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  18. The kinetic energy of the object

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  19. An object of mass 100g moves with speed 1ms^(-1). Its kinetic energy w...

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  20. When the speed of a car moving with accelerated motion on a horizontal...

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