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The work done by a force is said to be …...

The work done by a force is said to be …….when the applied force does not produce displacement.

A

positive

B

negative

C

zero

D

none of these

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CHETANA PUBLICATION-WORK AND ENERGY-EXERCISE
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  5. …………..is the capacity to do work.

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  6. Name the following SI unit of energy

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  7. Name the following The relationship between 1 joule and 1erg .

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  8. State whether the following statements are true or false: Power is a ...

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  9. State whtether the following statement are true or false. Water stored...

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  11. A stretched rubber band when released regainsits original length

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  12. An exploding fire cracker lights as well as makes a sound.

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  13. Solve the following examples: Ravi applied a force of 10 N and moved ...

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  16. Derive an expression for potential energy.

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  17. A 25 W electric bulb is used for 10 hours every day. How much electric...

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  18. If a TV of rating 100 W is operated for 6 hrs per day,find the number ...

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  19. Solve the following examples: If a 1200 W electric iron is used daily...

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