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Define the term work and derive its SI u...

Define the term work and derive its SI unit. Write an expression for the kinetic energy of a body of mass m moving with a uniform speed v.

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SL ARORA-Work, Energy and power-EXERCISE
  1. Define the term work. Calculate the work done by a constant force. Is ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  16. In an inelastic collision

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

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

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  19. WORK DONE BY A VARIABLE FORCE

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  20. What are conservative and non-conservative forces, explain with exampl...

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