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Choose one or more alternatives: Power ...

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

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

Choose one or more alternatives: the joule is the unit of…….. A. force B. work C. power D. energy

Choose one or more alternatives: For work to be performed, energy must be …… A. transferred from one place to another B. concentrated C. transformed from one type to another D. destroyed

Choose one or more correct alternatives. Joulse is the unit of ……..

Choose one or more alternatives: Which of the forces involved in dragging a heavy object on a smooth, horizontal surface, have the same magnitude?

Choose one or more alternatives: While dragging or lifting an objectm negative work is done by……..

BAL BHARTI-WORK AND ENERGY-Exercises
  1. Choose one or more alternatives: the joule is the unit of…….. A. fo...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  20. The velocity of a car increases from 54 km/hr to 72 km/hr. How much is...

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