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What is work done in holding a 15kg suit...

What is work done in holding a 15kg suitcase while waiting for a bus for 15 minutes ?

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SL ARORA-Work, Energy and power-EXERCISE
  1. What should be the angel between the direction of force and displaceme...

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  2. State the conditions under which a force does no work.?

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

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  4. A man tries hard to push a loaded truck but fails to move it. In tis c...

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

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  6. Is work a scalar quantity or a vector quantity ?

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  7. The area under force-displacement curve represents

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  8. Moment of a force and work done by a force have same units. What is th...

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  9. Name and define SI unit of work.

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  10. How many joules make up one erg ?

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  11. What do you mean by gravitational unit of work ?

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  12. State gravitational unit of work in SI.

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  13. Find the number of joules in the gravitational unit of work in SI.

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  14. A man runs a distance on a level road. The same man ascends up a hill ...

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

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  16. Does the work done in moving a body depend on how fast or how slow the...

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  17. Give an example in which work done is negative.

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  18. Has an object in motion ability to do work ?

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  19. Does a single force acting an a particle necessarily change its K.E. a...

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  20. Can the K.E. of a body be negative

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