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When a mass is rotating in a plane about...

When a mass is rotating in a plane about a fixed point, its angular momentum is directed along

A

a line perpendicular to the plane of rotation

B

the line making an angle of `45^(@)` to the plane of rotation

C

the radius

D

tangent the path

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The correct Answer is:
a
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SURA PUBLICATION-MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES-MULTIPLE CHOICE QUESTIONS :
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  2. A particle undergoes uniform circular motion. The angular momentum of ...

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  3. When a mass is rotating in a plane about a fixed point, its angular mo...

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  4. Two discs of same moment of inertia rotating about their regular axis ...

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  5. A disc of moment of inertia la is rotating in a horizontal plane about...

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  9. The speed of the centre of a wheel rolling on a horizontal horizontal ...

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  10. A drum of radius R and mass M, rolls down without slipping along an in...

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  11. Four round objects namely a ring, a disc, a hollow sphere and a solid ...

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  12. Obtain an expression for the power delivered by torque.

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  13. The center of mass for a uniform rod of mass M and length (1)/(2) i.e....

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  16. The centre of mass of a system of particles does not depend upon

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  17. Where will be the centre of mass on combining two masses m and M (M gt...

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