Find the net torque on the wheel in the figure below about the axle through O perpendicular to the page, taking a = 15.0 cm and b = 29. (Indicate the...

Find the net torque on the wheel in the figure below about the axle through O perpendicular to the page, taking a = 15.0 cm and b = 29.0 cm. (Indicate the direction with the sign of your answer. Assume that the positive direction is counterclockwise.) Answer= __________N m