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Choose one or more alternatives: Which ...

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Which of the forces involved in dragging a heavy object on a smooth, horizontal surface, have the same magnitude?

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BAL BHARTI-WORK AND ENERGY-Exercises
  1. Choose one or more alternatives: For work to be performed, energy mus...

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  2. Choose one or more alternatives: the joule is the unit of…….. A. fo...

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

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

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

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

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

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

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

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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. Study the following activity and answer the questions: Now take two b...

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  13. Study the following activity and answer the questions: At the moment ...

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  14. Study the following activity and answer the questions: As the balls r...

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  15. Study the following activity and answer the questions: Why do the ball...

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  16. Study the following activity and answer the questions: What is the for...

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

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  18. Solve the following examples: An electric pump has 2 kW power. How mu...

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

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

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