The axis of rotation of each system (a-d) is marked at its left edge.  The figures are drawn to scale: all forces are applied along the length of the system at either the right edge or the middle. Which system experiences the greatest magnitude of torque around its marked axis of rotation?a,b,c or d? Which system experiences the least magnitude of torque around its marked axis of rotation?

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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.