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An electron is moving towards a proton. ...

An electron is moving towards a proton. Is the work done positive or negative?

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MBD-WORK, ENERGY AND POWER-EXAMPLE
  1. Give some examples of P.E. other than gravitatinoal P.E.

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

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

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

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  5. Can a body have energy without momentum?

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

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

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

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

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

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

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  12. Calculate the work done by a car against gravity in moving along a str...

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  13. Give an example of scalar product.

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  14. Name the physical quantity which is expressed as product of force and ...

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  15. What is te relation between joule and kg m?

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  16. Name the physical quantity which is expressed as product of force and ...

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  17. Does the work done in raising a box on a platform depend upon how fast...

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

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  19. Dot product of two vectors obey law.

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  20. Since work is a scalar quantity, can it have negative value?

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