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

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LAKHMIR SINGH & MANJIT KAUR-FORCE AND LAWS OF MOTION-Exercise
  1. Explain the meaning of the following equation : F=mxxa where symbo...

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  2. To take the boat away from the bank of a river, the boatman pushes the...

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

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  4. If action is always equal to the reaction, explain how a horse can pul...

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  5. Name the principal on which a rocket works.

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  6. Do action and reaction act on the same body or different bodies ? How ...

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  7. If a man jumps out from a boat, the boat moves backwards. Why?

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

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  9. Explain why , a runner presses the ground with his feet before he star...

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  10. A 60 g bullet fired from a 5 kg gun leaves with a speed of 500 m/s. Fi...

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  11. A 10 g bullet travelling at 200 m/s strikes and remains embedded in a ...

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  12. A body of mass 2 kg is at rest. What should be the magnitude of force ...

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  13. A body of mass 5 kg is moving with a velocity of 10 m/s. A force is ap...

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  14. A car of mass 2400 kg moving with a velocity of 20 m s^(-1) is stopped...

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  15. For how long should a force of 100 N act on a body of mass 20kg so tha...

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  16. How long will it take a force of 10 N to stop a mass of 2.5 kg which i...

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  17. The velocity of a body of mass 10 kg increases from 4 m/s to 8 m/s whe...

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  18. A gun of mass 3 kg fires a bullet of mass 30 g. The bullet takes 0.003...

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  19. Draw a diagram to show how a rocket engine provides a force to move th...

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  20. Name the laws involved in the following situations: (a) the sum of p...

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