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When spring is compressed its potential ...

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

A

remains constant

B

reduces

C

increases

D

nothing can be said about it

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The correct Answer is:
A, C
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KUMAR PRAKASHAN-WORK AND ENERGY -QUESTION & ANSWER (CHOOSE THE CORRECT OPTION FROM THOSE GIVEN BELOW EACH QUESTION)
  1. An object is thrown vertically upwards with velocity of 20ms^(-1). At ...

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  2. 1kWh=

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

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

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  5. What is power?

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

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

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

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  9. The kinetic energy of the object

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

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

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  12. A bullet of mass 20g fired from a rifle is found to cover the distance...

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  13. A body is thrown up with a kinetic energy of 10 J. If it attains maxim...

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  14. If an object is falling freely from certain height towards the surface...

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  15. The work done on the object is negative, then the measure of angle bet...

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  16. The diameter of an iron sphere of mass 10 kg is same as that of alumin...

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  17. A girl is carrying a school bag of 3 kg mass on her back and moves 200...

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  18. Which of the following is not the unit of energy?

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  19. Work done on an object is not dependent on ………..

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  20. Water stored in the dam ………..

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