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Verify the law of conservation mechanica...

Verify the law of conservation mechanical-energy for a freely falling body.

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BINA LIBRARY-WORK,ENERGY AND POWER-EXERCISE
  1. Define Kinetic energy of a body.Derived an expression for the K.E of a...

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  2. Derived an expression for the work done by a constant force.

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  3. Verify the law of conservation mechanical-energy for a freely falling ...

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  4. Derive an expression for potential energy of a stretched elastic sprin...

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  5. State and prove work-energy theorem.

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  6. State the principle of conservation of energy.How can it be proved in ...

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  7. Show that work done on a body or by the body is equal to the net chang...

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  8. Show that the sum of potential and kinetic energy of a body falling fr...

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  9. Distinguish between elastic and inelastic collisions.

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  10. Show that in one dimensional elastic collision of two particales of eq...

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  11. Define the co-efficient of restitution. A particle of a mass m moving ...

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  12. The momentum of two different masses are same.Show that the lighter ma...

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  13. The K.E of two different masses are equal.Which of the masses,lighter ...

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  14. If K.E of a body is doubled,what happens to its momentum?

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  15. Two bodies having masses 1g and 4g are moving with equal K.E find the ...

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  16. water of a river is striking the pillar of a bridge.Is work being done...

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  17. A man is swimming upstream over a river such that he appears to be at...

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  18. How much work is done on a body of mass m in moving it around a horizo...

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  19. Give an example where work done by a force is zero.

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  20. What is the power needed to maintain uniform circuler motion?

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