The figure below shows a horizontal rod, of length 2.8 m, with forces acting on it. A 30 N force acts at its left end, point O, in a direction down and to the left, 45° below horizontal. A 25 N force acts at its center, point C, in a direction up and to the right, 30° to the right of vertical. A 20 N force acts at the right end, in a direction down and to the right, 20° below horizontal.   a) What is the net torque (in N · m) on the rod about an axis through O perpendicular to the page? magnitude = ______ N · m direction = (clockwise or counter clockwise)   (b) What is the net torque (in N · m) on the rod about an axis through C perpendicular to the page? magnitude = _____ N · m direction = (clockwise or counter clockwise)

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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.