Question: A body in equilibrium has only two forces acting on it. We found in Section 4.2 that the forces must be equal in magnitude and

A body in equilibrium has only two forces acting on it. We found in Section 4.2 that the forces must be equal in magnitude and opposite in direction in order to give a translational net force of zero. What else must be true of the two forces for the body to be in equilibrium? [Consider the lines of action of the forces.]

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