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State the expression for work done when displacement and force makes an angle of 0 with the horizontal force

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State the expression for work done when displacement and force makes an angle Theta OR State the expression for work done when force is applied making an angle Theta with the horizontal force

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CHETANA PUBLICATION-WORK AND ENERGY-EXERCISE
  1. Forces are of …..…… types

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  2. Fill in the blanks with appropriate words and writw the completed stat...

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  3. S.I. unit of energy is….

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  4. …………..is the capacity to do work.

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  5. Name the following SI unit of energy

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

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

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

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  9. Wind can move the blades of a windmill

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  10. A stretched rubber band when released regainsits original length

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

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

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  13. 500 kg water isstored in the overhead tank of a 10 m high building.Cal...

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  14. 1 kg mass has a kinetic energy of 2 joule. Calculate its velocity

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  15. Derive an expression for potential energy.

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

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

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

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  19. Answer the following questions: Derive the formula for the kinetic en...

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  20. State the expression for work done when displacement and force makes a...

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