4 results.
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Calculate the moment of a force about three points using Verignon' theorem. All forces and points are in the same plane.
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Find the moment of a couple formed by two equal and opposite forces.
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Find the tension in a rope necessary to prevent a bracket from rotating by applying $\Sigma M = 0$.
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Two known forces, and a third with known magnitude act on a rigid body. Apply $\Sigma M = 0$ about a pin restraint to determine the direction of the third force. The problem has two valid answers.
