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A child sits stationary at one end of a ...

A child sits stationary at one end of a long trolley moving uniformly with speed v on a smooth horizontal floor. If the child gets up and runs about on the trolley in any manner, what is the effect on the speed of the centre of mass of the (trolley + child) system?

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MAXIMUM PUBLICATION-SYSTEM OF PARTICLE AND ROTATIONAL MOTION-EXERCISE
  1. A grindstone has moment of inertia 0.5kgm^2.What constant torque shoul...

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  2. In the HCl molecule, the Separation between the nuclei of the two atom...

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  3. A child sits stationary at one end of a long trolley moving uniformly ...

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  4. a) Find the moment of inertia of a sphere about a tangent to the spher...

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  5. A solid cylinder of mass 20kg rotates about its axis with angular spee...

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  6. A rope of negligible mass is wound round a hollow cylinder of mass 3kg...

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  7. In a hammer throw event, a solid sphere of mass 16 kg is tied to a lig...

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  8. If L is the angular momentum and tau is the torque then prove that (ta...

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  9. Write an example for the motion in which angular momentum remains cons...

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  10. Remya stands at the centre of a turn-table with her two arms outstretc...

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  11. Consider moment of inertia of a uniform thin circular disc about a dia...

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  12. A circular disc of mass 0.15 kg and radius 0.1 m makes 120 revolution...

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  13. The earth revolves around the sun in an elliptical orbit. The closest ...

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  14. A body rolls over a horizontal, smooth surface without slipping with a...

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  15. A wheel of mass 1000 kg and radius 1 m is rotating at the rate of 420 ...

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  16. State the parallel axes theorem on moment of inertia.

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  17. Write the relation between moment of inertia and angular momentum.

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  18. Moment of inertia plays the same roll in rotational motion as mass in ...

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  19. State whether True or False: The location of centre of mass of a syste...

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  20. Moment of inertia is also called rotational inertia.Why?

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