(Solved): 3sf The body in the figure is pivoted at \( O \). Three forces act on it in the directions shown: \( ...

The body in the figure is pivoted at \( O \). Three forces act on it in the directions shown: \( F_{A}=6.20 \mathrm{~N} \) at point \( A, 6.80 \mathrm{~m} \) from \( 0 ; F_{8}=12.0 \mathrm{~N} \) at point \( B, 4.10 \mathrm{~m} \) from \( \mathrm{O} \); and \( F_{C}=19.0 \mathrm{~N} \) at point \( \mathrm{C}, 3.00 \mathrm{~m} \) from \( O \). Taking the clockwise direction to be negative, what is the net torque about \( \mathrm{O} \) ? Number Units