12.34: A mass m attached to a light string of len
4s 97*fe d -baeunft-ogth L is located at an angle θ below the horizontal as shown in the figure to the right. The mass then is released from rest. Calculated from an
-n97adose-4uf tbf*eaxis 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?