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Define the term work. Calculate the work...

Define the term work. Calculate the work done by a constant force. Is work done a scalar or a vector quantity ?

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SL ARORA-Work, Energy and power-EXERCISE
  1. What is the work done by centripetal force in moving a body through ha...

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  2. What is an elastic collision ?

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  3. Define the term work. Calculate the work done by a constant force. Is ...

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  4. Give the expression for work done if angle between force oversetrighta...

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  5. Define the term work and derive its SI unit. Write an expression for t...

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  6. How do we calculate work done by a force ? Write any two conditions un...

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  7. What is the amount of work done by a weight-lifter in holding a weight...

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  8. What is the amount of work done by a weight-lifter in holding a locomo...

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  9. Derive an expression for the potential energy of an elastic stretched ...

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  10. Define power. Prove that P=oversetrightarrowF.oversetrightarrowv wher...

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  11. By what factor the velocity of a body should be increased so that its ...

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  12. Two bodies A and B weighing 5 kg and 6 kg respectively have equal mome...

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  13. Define kinetic energy. Give its units and dimensional formula.

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  14. Define potential energy. Give its units and dimensional formula.

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  15. Draw the variation of potential energy and kinetic energy of a block a...

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  16. State and prove the principle of conservation of mechanical energy.

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  17. What is meant by mass energy equivalence ? Discuss its significance in...

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  18. In an inelastic collision

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  19. Show that in case of one dimensional elastic collision of two bodies, ...

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  20. What is meant by positive work, negative work and zero work ? Illustra...

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