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

Question

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, both the direction and magnitude of angular momentum about the axis change, the direction of L → changes but magnitude does not, the direction of L → does not change but magnitude does, neither the direction nor the magnitude changes

MARKS App · Accepted Answer

As the angular velocity increases without any change in its direction, we can say that the magnitude of angular momentum increases without any change in direction.

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