A uniform rod is placed vertically on a smooth surface and then released. Then,

Question

A uniform rod is placed vertically on a smooth surface and then released. Then,, the centre of rod follows straight line path, the centre of mass follows circular path, the instantaneous axis is passing through the contact point, all the above

MARKS App · Accepted Answer

Since no external force is present on the rod in horizontal direction, the velocity of the centre of mass of rod, in horizontal direction, remains constant i.e., zero. So, centre of mass of rod drops vertically downwards.

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