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Define momentum of a body. Also give its...

Define momentum of a body. Also give its units.

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MBD-FORCE AND LAW OF MOTION-Example
  1. When a horse suddenly gallops, the rider falls backward. Why ?

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  2. Why does a passenger fall forward when he alights from the moving bus ...

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  3. Define momentum of a body. Also give its units.

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  4. A fast moving bullet when hits the window pane makes a round hole whil...

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  5. Explain how a dirty blanket becomes dust free if it is jerked once or ...

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  6. Why a fan continues to rotate for sometime even after it is switched o...

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  7. Why does a gun recoil when a bullet is fired from the gun ? Explain.

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  8. Why a cricket player lowers his hand while taking of catch of cricket ...

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  9. Write differences between balanced and unbalanced forces.

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  10. Why a boatman exists a force on water with his oars in the opposite di...

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  11. What acceleration will be produced in a body of mass 3 kg, when a forc...

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  12. How much force will be required to produce an acceleration of 4 ms ^(-...

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  13. A man throws a ball of mass 0.5 kg vertically upwards with a velocity ...

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  14. A steam engine of mass 3xx 10^4 kg pulls two wagons each of mass 2 xx1...

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  15. A steam engine of mass 3xx 10^4 kg pulls two wagons each of mass 2 xx1...

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  16. A bullet of mass 20 g moving with a speed of 500ms^(-1 )strikes a wood...

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  17. A car travelling at the speed of 108 km//h takes 4 s to stop on applyi...

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  18. Which one requires more force, a body of mass 2 kg accelerated at the ...

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  19. A bullet of mass 0.03 kg is fired from a gun of mass 3 kg which leaves...

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  20. From a rifle of mass 5000 g a bullet of 20 g is fired with a velocity ...

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