posted by Timmy .
The body in Fig. 10-37 is pivoted at O. Three forces act on it in the directions shown: FA = 13 N at point A, 6.4 m from O; FB = 17 N at point B, 3.6 m from O; and FC = 15 N at point C, 2.2 m from O. Taking the clockwise direction to be negative, what is the net torque about O?