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What is the principle of working of a ro...

What is the principle of working of a rocket ?

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SL ARORA-Laws of Motion-Exercise
  1. State and explain the principle of conservation of linear momentum. Es...

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  2. Will the momentum remain conserved if some external force acts on the ...

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  3. What is the principle of working of a rocket ?

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  4. Vehicles stop on applying brakes . Does this phenomenon violate the pr...

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  5. A bomb explodes in mid air into two equal fragments . What is the angl...

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  6. The total momentum of the universe remains constant. Is this statement...

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  7. Can a rocket operate in free space ?

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  8. Is impulse a scalar or vector quantity ? Write its SI unit.

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  9. The dimensional formula of impulse is MLT^-1. Name another physical qu...

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  10. A bus weighing 900 kg is at rest on the bus stand. What is the linear ...

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  11. What is dry friction ? And what is wet friction ?

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  12. What is dry friction ? And what is wet friction ?

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  13. What is normal reaction ?

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  14. The limiting friction is

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  15. Define coefficient of limiting friction.

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  16. What is the unit of coefficient of limiting friction.

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  17. Which is greater mus or muk?

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  18. What is the relation between coefficient of friction and angle of repo...

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  19. What is the relation between coefficient of friction and angle of repo...

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  20. Is rolling friction more than sliding friction ?

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