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The angular momentum of a system of part...

The angular momentum of a system of particles is conserved

A

when no external force acts upon the system

B

when no external torque acts upon the system

C

when no external impulse acts upon the system

D

when axis of rotation remains same

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SL ARORA-System of particles & rotational Motion-EXERCISE
  1. A particle performs uniform circular motion with an angular momentum L...

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  2. Two bodies have their moments of inertia I and 2 I respectively about ...

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  3. The angular momentum of a system of particles is conserved

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  4. The motion of planets in the solar system is an exmaple of the conserv...

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  5. A diver in a swimming pool bends his head before diving, because it

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  6. If a person standing on a rotating disc stretches out his hands, the a...

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  7. A dancer is rotating on smooth horizontal floor with an angular moment...

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  8. A round disc of moment of inertia I2 about its axis perpendicular to i...

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  9. A uniform disc of mass M and radius R is rotating in a horizontal plan...

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  10. A thin circular ring of mass m and radius R is rotating about its axis...

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  11. A loop of mass M and radius R is rolling on a smooth horizontal surfac...

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  12. A sphere of moment of inertia 'I' and mass 'm' rolls down on an inclin...

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  13. A disc is rolling without slipping. The ratio of its rotational kineti...

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  14. A solid sphere is rolling without slipping on a horizontal plane. The ...

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  15. A disc is rolling on the inclined plane. What is the ratio of its rota...

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  16. A disc of mass 4.8 kg and radius 1 m is rolling on a horizontal surfac...

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  17. A liquid is kept in a cylindrical jar, which is rotated about the cyli...

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  18. A sphere rolls down an inclined plane of inclination theta. What is th...

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  19. An inclined plane makes an angle 30° with the horizontal. A solid sphe...

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  20. The acceleration of a solid cylinder rolling down an smooth inclined p...

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