A uniform rod of length l is kept vertically on a horizontal smooth surface at a point O. If it is rotated slightly and released, it falls down on the horizontal surface. The lower end will remain

Options

A. at `O`
B. at a distance less than `(l)/(2)` from O
C. at a distance `(l)/(2)` from O
D. at a distance larger than `(l)/(2)` from O

Answer

C