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    Mechanics: Force and its Moment (Torque)

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    The figure shows a lower leg being exercised (see the attached file). It has a 49-N weight attached to the foot and is extended at an angle with respect to the vertical. Consider a rotational axis at the knee, as indicated. (a) When = 54°, find the magnitude of the torque that the weight creates. (b) At what angle does the magnitude of the torque have a value of 17 N·m?

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    Solution Summary

    In this solution the torque on the leg due to a weight is calculated when the leg is at an angle.