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The motion of a ceiling fan is rotationa...

The motion of a ceiling fan is rotational only.
The motion of a rigid body which is pivoted fixed of rotation.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
(a) Motion of ceiling fan is an example of rotational motion. The rotation occur about an axis that is fixed.
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Rotational Motion - Equations

A2Z-ROTATIONAL DYNAMICS-Assertion Reasoning
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  4. The position of centre of mass does not depend upon the reference fram...

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  5. To determine the motion of the centre of mass of a system, knowledge o...

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  6. A horizontal force F is applied such that the block remains stationary...

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  7. A girl sits on a rolling chair, when she stretch her arms horizontally...

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  8. Assertion : The moment of inertia of a rigid body reduces to its minim...

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  9. The moment of inertia of rigid body depends only on the mass of the bo...

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  10. The motion of a ceiling fan is rotational only. The motion of a rigi...

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  11. Value of radius of gyration of a body depends on axis of rotation. R...

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  12. A sphere cannot roll on a smooth inclined surface. The motion of a r...

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  13. A ladders is more likely to slip when a person is near the top than wh...

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  14. A disc is rolling on an inclined plane without slipping. The velocity ...

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  15. A sphere is performing pure rolling on a rough horizontal surface with...

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  16. If earth shrink (without change in mass) to half it's present size. Le...

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  17. A disc is rolling on a rough horizontal surface. The instantaneous spe...

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  18. A when a diver dives, the rotational kinetic energy of diver increases...

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  19. Assertion: The velocity of a body at the bottom of an inclind plane of...

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  20. A Moment of inertial of uniform disc and solid cylinder of equal mass ...

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