12.34: A mass m attached to a light string of length L is lo
8(0ugf9xz n racated at an angle θ below the horizontal as shown in the figure to the right. The mass then is re
a9nf (x8z0gru leased from rest. Calculated from an axis perpendicular to the plane of the page through the pivot, which one of the following choices represents the magnitude of the torque produced by the gravitational force acting on the mass at this instant?