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If earth were to shrink suddenly, what w...

If earth were to shrink suddenly, what would happen to the length of the day ?

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MODERN PUBLICATION-SYSTEMS OF PARTICLES AND ROTATIONAL MOTION-Chapter Practice Test (for Board Examination)
  1. Can centre of mass of a body lie where there is absolutely no mass ?

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  2. Which component of linear momentum does not contribute to angular mome...

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  3. Can a body moving in a circular path be at equilibrium?

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  4. Does the moment of inertia of a body change with the speed of rotatio...

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  5. Two lenses, one convex and other concave, are of same mass and same ra...

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  6. Why the handles of the doors are at maximum distance from the hinges?

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  7. State and explain parallel axis theorem and perpendicular axis theorem...

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  8. If earth were to shrink suddenly, what would happen to the length of t...

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  9. The angular momenta of two bodies X and Y are equal and moment of iner...

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  10. (i) A person sits near the edge of a circular platform revolving with ...

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  11. Show that the angular momentum of a particle is equal to twice the pro...

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  12. Establish a relation between angular momentum and moment of inertia of...

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  13. Write the relation between electric power (W ) of a device with potent...

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  14. How will you distinguish between a hard boiled egg and a raw egg by s...

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  15. The speed of the motor of an engine is 300 rpm. In 2 s, the speed incr...

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  16. Derive an expression for the acceleration of a solid cylinder rolling ...

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