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Why does a gun recoil on firing? Obtain ...

Why does a gun recoil on firing? Obtain an expression for recoil velocity of gun.

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SL ARORA-Laws of Motion-Exercise
  1. Explain why? (a) a horse cannot pull a cart and run in empty space. ...

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  2. Obtain an expression for the centripetal force F acting on a particle...

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

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  4. LAWS OF LIMITING FRICTION

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  5. Derive an expression for acceleration of a body down a rough inclined ...

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  6. Why are the curved roads banked ? Obtain an expression for angle of ba...

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  7. A 1000 kg car rounds a curve on a flat road of radius 50 m at a speed ...

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  8. In a vertical circle the minimum or critical velocity at highest pint ...

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  9. Why has a horse to pull a cart harder during the first few steps of hi...

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  10. The negatively charged dust particles are attracted by

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  11. A batsman deflects a ball by an angle of 45^(@) without changing its i...

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  12. What do you mean by central forces?

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  13. Draw neat, labelled diagram showing different forces acting on a vehic...

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  14. Detrmine the maximum acceleration of the train in which a box lying on...

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  15. A ship of mass 3xx10^7kg initially at rest, is pulled by a force of 5x...

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  16. A vessel containing water is given a constant acceleration 'a' towards...

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  17. Two particles of masses m1 and m2 in projectile motion have velocities...

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  18. Two blocks A and B of masses 2m and respectively, are connected by a ...

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  19. A string of negligible mass going over a clamped pulley of mass m supp...

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  20. The pulleys and strings shown in the figure are smooth and of negligib...

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