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Question

A particle is revolving in a circle, clockwise in the plane of the circle. The angular acceleration in directed

A
Towards the center in the plane of the paper.
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B
Radially outwards in the plane of the paper.
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C
Perpendicular to the plane of the paper.
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D
Veertically in the plane of the paper.
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Solution

The correct option is C Perpendicular to the plane of the paper.
For clockwise motion f the particle, we can find the direction of w by right hand rule.
Curls of finger in direction of motion and thumb will give direction of w.
direction of w is perpendicular inside plane of paper.

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