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Why does a gunman get a jerk on a firing...

Why does a gunman get a jerk on a firing a bullet?

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The gunman gets a jerk because the gun recoils on firing. This is accounted for by the principle of conservation of liner momentum.
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PRADEEP-FORCES AND LAWS OF MOTION-SHORT ANSWER QUESTIONS
  1. An unloaded truck weighing 2000kg has a maximum acceleration of 0.4 m/...

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  2. Why is it difficult to walk on a slippery road?

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  3. Why does a gunman get a jerk on a firing a bullet?

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  4. State the law of conservation of liner momentum.

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  5. Name any two applications of the law of conservation of liner momentum...

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  6. It is easier to push an empty box than to push the box full of books.W...

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  7. When a car rounds a curve suddenly, the person inside is pushed outwar...

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  8. A bullet thrown with a hand can be stopped eaisly, but it may kill a p...

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  9. Show that kg-ms^(-1) and N-s represent the same quantity. Which is tha...

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  10. No force is required to move a body uniformly along a straight line. C...

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  11. A feather of mass 5g is dropped from a height. It is observed to fall ...

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  12. What is force ? What is inertia ? How is inertia measured ?

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  13. Explain what is meant by momentum of a body. Is it a scalar or a vecto...

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  14. Derive the relation F=ma, where the symbols have their usual meanings.

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  15. Discuss briefly Gelileo's ideas about motion.

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  16. State Newton's third law of motion and principle of conservation of mo...

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  17. Eastablish relation between inertia and mass.

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  18. Explain the use of seat belts of cars.

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  19. Explain why a player lowers his hands while catching a cricket ball.

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  20. Why does a gun recoil on firing? Obtain an expression for recoil veloc...

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