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Is impulse a scalar or vector quantity ?...

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

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SL ARORA-Laws of Motion-Exercise
  1. The total momentum of the universe remains constant. Is this statement...

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  2. Can a rocket operate in free space ?

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

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

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

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

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

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  8. What is normal reaction ?

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  9. The limiting friction is

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  10. Define coefficient of limiting friction.

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

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  12. Which is greater mus or muk?

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

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

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  15. Is rolling friction more than sliding friction ?

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  16. What are the factors on which coefficient of friction depends ?

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  17. Out of stiatic friction limiting friction and dynamic friction which i...

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  18. What is the angle between frictional force and instantaneous velocity ...

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  19. A body is in equilibrium on a rough inclined plane undr its own weight...

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  20. A body slides down an inclined plane having friction. Indicate the dir...

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