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Water stored in a dam possesses...

Water stored in a dam possesses

A

no energy

B

electrical energy

C

kinetic energy

D

potential energy

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MODERN PUBLICATION-WORK AND ENERGY-EXERCISE
  1. Which one of the following is not the unit of energy?

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  2. The work done on a object does not depend upon the

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  3. Water stored in a dam possesses

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  4. A body is falling from a height h. After it has fallen a height h/2, i...

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  5. Two electrodes are maintaned at a potential difference of 100 V. An e...

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  6. A car with K.E. 100 J is moving on a horizontal road. Now 200 J work i...

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  7. Two bodies with kinetic energy in the ratio of 4:1 are moving with equ...

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  8. A certain household has consumed 250 units of electric energy during a...

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  9. If mass is doubled and velocity is halved then new kinetic energy is

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  10. When the force retards the motion of the body, the work done is :

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  11. In which of the following examples, work done is negative?

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  12. In which of the following applications is work is not done?

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  13. For a force to do maximum work, what should be the angle between force...

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  14. State the SI unit of potential energy.

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  15. What is the commercial unit of electical energy? Represent it in terms...

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  16. A boy throws a rubber ball vertically upwards. What kind of work is do...

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  17. A boy throws a rubber ball vertically upwards. What kind of work is do...

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  18. A person holds a bundle of hay over his head for 30 minutes and gets t...

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  19. Express kilowatt hour in terms of joules.

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  20. Two children A and B each weigh 20 kg climb a rope up a height of 10 m...

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