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What is the difference between positive work and negative work?

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TARGET PUBLICATION-WORK AND ENERGY-EXERCISE
  1. What is the difference between work and energy?

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  2. Explain different types of work with examples.

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  3. What is the difference between positive work and negative work?

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  4. If the displacement is not in the direction of the applied force, how ...

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  5. Discuss the directions of force and of displacement in each of the fol...

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  6. Discuss the directions of force and of displacement in each of the fol...

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  7. Discuss the directions of force and of displacement in each of the fol...

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  8. Discuss the directions of force and of displacement in each of the fol...

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  9. Discuss the directions of force and of displacement in each of the fol...

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  10. What is energy? What is its unit?

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  11. If a pot having a plant is kept in the dark, the plant languishes

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  12. On increasing the volume of a music system or TV beyond a limit, the v...

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  13. Collecting sunlight on a paper with the help of a convex lens bums the...

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  14. What will happen in the following case A fast cricket ball strikes th...

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  15. What will happen in the following case The striker hits a coin on the...

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  16. What will happen in the following case One marble strikes another in ...

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

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

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  19. What is potential energy? Explain with suitable examples.

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  20. What are the different forms of energy?

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