The body in the figure is pivoted at O. Three forces act on it in the directions shown: FA = 8.10 N at point A, 5.60 m from O; FB = 16.0 N at point B, 3.90 m from O; and FC = 18.0 N at point C, 3.50 m from O. Taking the clockwise direction to be negative, what is the net torque about O?

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A: It's a concept of Torque.

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.