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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

the radius

B

the tangent to orbit

C

line at an angle of `45^@` to the plane of rotation

D

the axis of rotation

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The correct Answer is:
D
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MOTION-ROTATIONAL MOTION -Exercise - 2
  1. The moment of inertia of a ring of mass M and radius R about PQ axis w...

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  2. The moment of inertia of a thin square plate ABCD of uniform thickness...

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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. A ring of mass 10 kg and diameter 0.4 meter is rotating about its geom...

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  5. The rotational kinetic energy of two bodies of moment of inertia 9 kg ...

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  6. Which of the following has the highest moment of inertia when each of ...

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  7. If the radius of gyration of a solid disc of mass 10 kg about an axis ...

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  8. A hollow cylinder open at both ends slides without rotating, and then ...

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  9. A particle of mass m is rotating in a plane in circular path of radius...

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  10. A fan of moment of inertia 0.6 kg xx "metre"^2 is to run upto a worki...

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  11. Two bodies with moment of inertia I1 and I2 (I1 gt I2) have equal angu...

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  12. If I(1),I(2) and I(3) are the moments of inertia about the natural axi...

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  13. A dancer on ice spins faster when she folds her arms due to

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  14. Which quantity is not directly related with rotational motion

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  15. Statement-I: If the earth expands in size without any change in mas, t...

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  16. Statement-I: A body moving in a straight line parallel to Y-axis can h...

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  17. Statement-I: When a planet is at maximum distance from the sun, its sp...

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  18. Statement-I : When a sphere and a solid cylinder are allowed to roll d...

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  19. Statement-I : Angular velocity is a characteristic of the rigid body a...

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  20. Statement I : If bodies slide down an inclined plane without rolling, ...

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