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Choose one or more alternatives: While ...

Choose one or more alternatives:
While dragging or lifting an objectm negative work is done by……..

A

the applied force

B

gravitational force

C

frictional force

D

reaction force

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The correct Answer is:
A, B, C, D
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TARGET PUBLICATION-WORK AND ENERGY-EXERCISE
  1. A freely fallimg body conserve its

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

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

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  4. Joule is the unit of

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

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

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

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

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

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

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

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  12. Name the folowing The CGS unit of work

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

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  14. Name the folowing Energy which cannot be negative

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  15. Name the folowing The sum of the potential energy and the kinetic en...

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  16. Name the folowing Type of output energy given by loudspeaker

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  17. True or False. The work done is zero if there is no displacement

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  18. True or False. Work done on an object depends on time.

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  19. True or False. Like humans, machines also require energy to do work.

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  20. True or False. Units of energy and work are the same.

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