A meter stick is placed vertically at the origin on a frictionless surface. A gentle push in 
-direction is given to the top most point of the rod. When it has fallen completely, the 
-coordinate of centre of rod is at
Text Solution
Verified by ExpertsThe correct answer is:
A
Since, there is no external force on the rod in horizontal direction, the center of mass of the
rod will not move in horizontal direction.
In vertical direction, we have gravitational force as an external force, so CM of rod will come 0.5 m down but will not move in 
-direction. So, CM will be the origin.
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