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A uniform rod is rotating about a horizo...

A uniform rod is rotating about a horizontal axis as shown. The rod is hinged at one of the ends. The rod is released from a vertical position by slightly pushing it. As the rod moves from A to B

A

both the direction and magnitude of angular momentum about the axis change

B

the direction of `vecL` changes but magnidude does

C

the direction of `vecL` does not change but magnitude does

D

neither the direction nor the magnitude changes

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The correct Answer is:
C
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