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  4. A body is rotating uniformly about a vertical axis fixed in an inertial frame. The resultant force on a particle of the body not on the axis is :

Q. A body is rotating uniformly about a vertical axis fixed in an inertial frame. The resultant force on a particle of the body not on the axis is :

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Solution:

For a uniformly rotating body the acceleration of any particle will be only normal acceleration which will pass through the axis of rotation hence option (C) is correct.

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