A circular-shaped object of mass 11 kg has an inner radius of 6 cm and an outer radius of 25 cm. Three forces (acting perpendicular to the axis of rotation) of magnitudes 10 N, 28 N, and 13 N act on the object, as shown. The force of magnitude 28 N acts 30 below the horizontal. 30 28 N 10 N 13 N Find the magnitude of the net torque on the wheel about the axle through the center of the object. Answer in units of N. m.