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Define work. A person carrying head load...

Define work. A person carrying head load does no work. How ?

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  1. Collision of a stone into clay is collision.

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  2. Collision between two molecules of air collision.

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  3. Define work. A person carrying head load does no work. How ?

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  4. Define units of work in M.K.S. and C.G.S. units .

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  5. Work out dimensions of K.E and P.E.

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  6. How K.E. and momentum are related .Which among is a vector quantity?

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  7. Distinguish kinetic and potential energy. Explains their units.

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  8. How we define average and instantaneous velocity ?

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  9. How we define average and instantaneous velocity ?

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  10. Explain gravitational units of work and the relation between the Joule...

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  11. Define power and explain its units .

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  12. What is energy, Explain kinetic and potential energies.

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  13. Show that gravitational potential energy is independent of path follow...

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  14. Discuss Einstein's mass- energy relation.

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  15. Define collision .Explain its types with examples.

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  16. State of law of conservation of mass.

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  17. An engine pulls a train over 5 km of distance by applying a force of 5...

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  18. A man weighing 60kg goes up a staircase 5 m high in 20 sec. Calculate...

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  19. If the momentum of a body is doubled, how will its kinetic energy vary...

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  20. A light body moving in a straight line with a velocity of 10 ms^(-1) m...

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