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Potential energy

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The energy possessed by the body by virtue of its position is called potential energy.
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Show that for a particle executing simple harmonic motion a. the average value of kinetic energy is equal to the average value of potential energy. b. average potential energy = average kinetic energy =1/2 (total energy) (Hint : average kinetic energy = =1/Tint_(0)^(T) (Kinetic energy) dt and average Potential energy = =1/Tint_(0)^(T) (potential energy) dt

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PREMIERS PUBLISHERS-WORK, ENERGY AND POWER -VERY SHORT ANSWER QUESTIONS
  1. Define energy and write its unit and dimension.

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  2. A man run a distance on the level road. The same man ascends up a hill...

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  3. Potential energy

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  4. What is meant by kinetic energy?

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  5. How many joules make up one erg?

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  6. Which physical quantities is / are conserved during elastic and inelas...

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  7. A body is moving at constant speed over a frictionless surface. What i...

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  8. Can a body have momentum without energy?

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  9. Does the work done in raising a suitcase on to platform depend upon ho...

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  10. Can you associate potential energy with non-conservative force?

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  11. A rocket explodes in mid air. How does this affect its total momentum?

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  12. Define watt.

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  13. When a work is said to be done? Give some example.

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  14. State the condition under which a force does not work.

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  15. What is the work done by the person in holding 15 kg suitcase while wa...

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  16. What is the work done by the force of tension in the string of simple ...

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  17. What physical quantity does the area under the force-displacement curv...

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  18. Define energy and write its unit and dimension.

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  19. A man run a distance on the level road. The same man ascends up a hill...

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  20. What is meant by the term potential energy ? Give its two examples.

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