When a stick of length L mass M intially...

When a stick of length `L` mass `M` intially upright on a fricitionless floor starts falling the

Path of its centre of mass is elliptical

Path of the centre of mass of the stick is vertical straight line

Poin tof contact of the stick with the ground will move in parabolic path

Point of contact of the stick with the ground will move in straight line

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B,D

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