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Why is the work done on an object moving...

Why is the work done on an object moving with uniform circular motion zero?

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TARGET PUBLICATION-WORK AND ENERGY-EXERCISE
  1. Read the statements given below. Identify and write the concept upon w...

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  2. Work done by gravitational force on an artificial satellite moving aro...

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  3. Why is the work done on an object moving with uniform circular motion ...

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  4. Kinetic energy of a body can never be negative.

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  5. A fast bowler takes a run -up before bowling a ball.

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  6. Explain the difference between potentail energy and kinetic energy.

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  7. Questions based on paragraph A man pulls a cart on a horizontal road ...

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  8. Questions based on paragraph A man pulls a cart on a horizontal road ...

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  9. Questions based on paragraph Study the following activity and answer ...

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  10. Questions based on paragraph Study the following activity and answer ...

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  11. Questions based on paragraph Study the following activity and answer ...

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  12. Questions based on paragraph Study the following activity and answer ...

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  13. Questions based on paragraph Study the following activity and answer ...

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

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  15. Calculate the work done to take an object of mass 20 kg to a height of...

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  16. Answer the following questions: Determine the amount of work done wh...

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  17. Pravin has applied a force of 100 N on an object, at an angle of 60^@ ...

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  18. A stone having a mass of 250 gm is falling from a height. How much kin...

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  19. Two bodies of same mass have their kinetic Ie energies in the ratio 9:...

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  20. A train approaching a station reduces its speed from 180 km/hr to 90 k...

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