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What is law of conservation of momentum ...

What is law of conservation of momentum ?

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(a) State the law of conservation of momentum. (b) Discuss the conservation of momentum in each of the following cases : (i) a rocket taking off from ground. (ii) flying of a jet aeroplane.

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MBD -HARYANA BOARD-FORCE AND LAWS OF MOTION-Example
  1. How much force will be required to produce an acceleration of 4 ms ^(-...

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  2. A bullet of mass m moving with velocity v strikes a block of mass M at...

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  3. A motor car is moving with a velocity of 108 km//h and it takes 4 seco...

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  4. Which would requires a greater force: accelerating a 2kg mass at 5m//s...

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  5. A bullet of mass 50g is fired from a gun of mass 6kg with a velocity o...

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

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  7. To bring a body into motion, what is required to be done ?

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  8. Why does an object released from the hand , fall on the earth ?

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  9. Which type of force is required to change the direction of motion of t...

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  10. Why does a body stop after rolling down for some time ?

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  11. Which scientist postulated the three laws of motion ?

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  12. What is the other name for Newton's first law of motion?

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  13. Of heavy and light objects, which have more inertia ?

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  14. What is the S.I unit of momentum ?

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  15. Why is talcom powder sprinkled on carrom board while playing ?

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  16. Why does an athelete run before taking a high jump ?

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  17. What is law of conservation of momentum ?

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  18. A bus and a ball are moving with the same speed. To stop which one wou...

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  19. 1 kg wt is equal to

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  20. 1 newton is equal to how many kg wt ?

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