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A man is rowing upstream and is at rest ...

A man is rowing upstream and is at rest w.r.t. shore. Is he doing work w.r.t shore?

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MBD-WORK, ENERGY AND POWER-EXAMPLE
  1. What is the work done by gravitational force in taking a mass m to a h...

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  2. What is potential energy?

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  3. A man is rowing upstream and is at rest w.r.t. shore. Is he doing work...

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  4. What is a collision?

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  5. What is conservative force?

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  6. What is non-conservative force?

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  7. Can a body have momentum without energy?

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  8. With what type of forces, potential energy is associated?

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  9. What is coefficient of restitution? What is its value for perfectly el...

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  10. Give some examples of P.E. other than gravitatinoal P.E.

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  11. A person is trying to push a box, the whole day he makes use of his st...

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  12. An electron is moving towards a proton. Is the work done positive or n...

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  13. An arrow is shot from a bow, from where does it get kinetic energy?

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  14. Can a body have energy without momentum?

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  15. State the conditions under which a force does no work.

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  16. The kinetic energy of a body becomes 4 times its initial value. The ne...

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  17. What are the conditions so that transfer of kinetic energy is maximum ...

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  18. Why is electrical power required at all when the elevator is descendin...

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  19. A body is being raised to height h from the surface of earth. What is ...

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  20. A body is being raised to height h from the surface of earth. What is ...

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