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A body is moving along a circular path ....

A body is moving along a circular path . How much work is done by the entripetal force ?

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FULL MARKS-WORK, ENERGY AND POWER-Additional Question Solved (II. Short Answer Questions)
  1. A light and heavy body have equal momentum, which has greater K.E?

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  2. The momentum of the body is doubled, what % does its K.E. change ?

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  3. A body is moving along a circular path . How much work is done by the ...

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  4. Which spring has greater value of spring constant-a hard spring or a d...

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  5. Two bodies stick together after collision. What types of collision is ...

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

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  7. How will the momentum of a body change if its K.E. is doubled ?

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  8. K.E. of a body is increased by 300%. Find the % increase in its moment...

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  9. A light and a heavy body have same K.E., which of the two have more m...

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  10. Does the P.E. of the spring decreases or increases when it si compress...

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  11. Name a process in which momentum change but K.E. does not

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  12. What happens to the P.E. of a bobble when it rises in water ?

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  13. A body is moving at constant speed over a frictionaless surface. What ...

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  14. Define spring constant of a spring.

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  15. How much work is done by a coolise walking on a frontal plastikam vidi...

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  16. Mountain roads rarely go striaght up the slop, but wind up gradually. ...

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  17. A truck and a car moving with the same K.E. on a stright road. Their ...

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  18. Is in necessary that we does the motion of a body on a closed loop is ...

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  19. How high most a body be lifted to gain an amount of P.E. equal to K.E....

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  20. Give an example in which a force does work on a body but fails to chan...

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