Two blocks each of the mass m are attached to the ends of a massless rod which pivots as shown in figure. Initially the rod is held in the horizontal position and then released. Calculate the initial angular acceleration.

Options

A. `((l_(2)-l_(1))g)/(l_(1)^(2)+l_(2)^(2))` clockwise
B. `((l_(2)+l_(1))g)/((l_(2)^(2)+l_(1)^(2)))` clockwise
C. `((l_(2)-l_(1))g)/(2(l_(2)^(2)+l_(1)^(2)))` clockwise
D. `g/(l_(2)+l_(1))` clockwise

Answer

1