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Use your Brain Power! Can your father c...

Use your Brain Power!
Can your father climb stairs as fast as you can?

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NAVNEET PUBLICATION-WORK AND ENERGY-EXERCISE
  1. Answer the following questions: What is the power of an engine, which...

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  2. Use your Brain Power! If the mass of a moving body is doubled, how ma...

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  3. Use your Brain Power! Can your father climb stairs as fast as you can...

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  4. Use your Brain Power! Will you fill the overhead water tank with the ...

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  5. Use your Brain Power! Suppose Rajashree, Yash and ranjeet have to rea...

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  6. Give scientific reasons: It is easy to swim in a swimming pool than i...

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  7. Give scientific reasons: When a body performs uniform circular motion...

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  8. Give scientific reasons: The wound spring of a watch possesses potent...

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  9. Give scientific reasons: A fast bowler takes a longer start while bow...

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  10. Give scientific reasons: When a bullet fired from a gun strikes the t...

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  11. Give scientific reasons: A bicycle moving fast on a levelled road mov...

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  12. Differentiate between OR difference between: Kinetic energy and Poten...

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

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  14. Solve the following examples: A force of 20 N acts on a body. If the ...

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  15. Solve the following examples: A body of mass 0.1 kg thrown upward rea...

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  16. Solve the following examples: Ajit carries a load of 17 kg from the g...

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  17. Solve the following examples: When a force of 20 N acts on a body, th...

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  18. Solve the following examples: If the energy required to move a body ...

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  19. Solve the following examples: If the energy of a ball falling from a ...

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  20. Solve the following examples: A body of mass 1 kg has kinetic energy ...

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