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What a person tries to stop a moving car...

What a person tries to stop a moving car by applying a backward force, the work done by the person is _________.

A

positive

B

zero

C

negative

D

positive or negative

Text Solution

Verified by Experts

The correct Answer is:
C
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TARGET PUBLICATION-WORK AND ENERGY-EXERCISE
  1. 1 erg us equivalent to .

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  2. What a person tries to stop a moving car by applying a backward force,...

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  3. A bOdy sliding across a surface does

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  4. Energy is the to do work.

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  5. Kinetic energy comes into picture only when is taking place.

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  6. If kinetic energy of a man of mass 40kg while running is 500J, then hi...

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  7. A 40kg man possesses a potential energy of 2000J when he stands at the...

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  8. A freely fallimg body conserve its

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  9. Choose one or more alternatives: Which of the forces involved in drag...

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  10. Choose one or more alternatives: While dragging or lifting an objectm...

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  11. Joule is the unit of

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  12. Choose one or more alternatives: For work to be performed, energy mus...

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  13. Choose one or more alternatives: Power is a measure of the ………

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  14. The work done on an object does not depend on…..

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  15. The potential energy of your body isleast when you are……

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  16. The total energy of an object falling freely towards the ground………………....

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  17. If we increase the velocity of a car moving on a flat surface to 4 tim...

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  18. Complete the paragraph Select the appropriate options and complete th...

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  19. Name the folowing The CGS unit of work

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  20. Name the folowing Type of energy that depends upon the height of an ...

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