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What is work done by the force of tensio...

What is work done by the force of tension in the string of a simple pendulum?

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Work done is zero, as displacement of bob of simple pendulum is always perpendicular to the string of the pendulum.
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PRADEEP-WORK, ENERGY AND POWER-Very Short Anwer Question.
  1. State the factors on which work done by a force depends.

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  2. What should be the angel between the direction of force and displaceme...

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  3. What is work done by the force of tension in the string of a simple pe...

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  4. What is represented by area under the force displacement curve?

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

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  6. Does a man standing at rest on a moving truck possess KE?

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  7. Out of joule, calorie, kilowatt and electron volt, which one is not th...

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  8. Is power a scalar or vector ?

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  9. Name the physical quantity, which is expressed as force times velocity...

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  10. When is KE of a planet revolving around the sunn maximum?

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  11. What is work done by centripetal force in moving on body half-cycle on...

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  12. Show graphically the variation of potential energy of an object thrown...

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  13. What is spring constant ? What are its SI units?

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  14. Name the process in which momentum changes but KE does not.

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  15. What is the source of KE of falling rain drops ?

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  16. What is work done in holding a 15kg suitcase while waiting for a bus f...

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  17. Is it practically possible to have situtations where (E-V)lt0?

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  18. Can K.E. of a system be increased or decreased without applying any e...

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  19. Does the sun do any work on earth, when earth revoves around the sun i...

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  20. Does K.E. depend upon the direction of motion involved ? Can it be ne...

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