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A body is uniformly rotating about an ax...

A body is uniformly rotating about an axis fixed in an interial frame of reference . Let `vecA` be a unit vector along the axis of rotation and `vecB` be the unit vector along the resultant force on a particle P of the body away from the axis. The value of `veca.vecB` is

A

1

B

`-1`

C

0

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-EXERCISE - 1A
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  14. A disk and a sphere of same radius but different masses roll on two in...

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  15. A solid sphere, a hollow sphere and a disc, all having same mass and r...

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  16. The ratio of the accelerations for a solid sphere (mass 'm' and radius...

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  17. Let I(A) and I(B) be moments of inertia of a body about two axes A and...

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  18. A sphere is rotating about a diameter

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  19. Two uniform solid spheres having unequal masses and unequal radii are ...

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  20. A sphere cannot roll on

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