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AP Physics 1
5.5 Rotational Equilibrium and Newton’s First Law in Rotational Form
5.3 Torque
IntermediateMCQMathematical7.9k
Top view of a rod with three \(20\text{ N}\) horizontal forces at its top, center, and bottom
Top view of a rod with three \(20\text{ N}\) horizontal forces at its top, center, and bottom
A rod is initially at rest on a rough horizontal surface. Three forces are exerted on the rod with the magnitudes and directions shown in the figure. The force exerted in the center of the rod is an equidistant \(0.5\text{ m}\) from both ends of the rod. If friction between the rod and the table prevents the rod from rotating, what is the magnitude of the torque exerted on the rod about its center from frictional forces?

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