Statement of a problem № 11022


The drawing shows a lower leg being exercised. It has a 49-N weight attached to the foot and is extended at an angle u with respect to the vertical. Consider a rotational axis at the knee. (a) When u 5 90.08, find the magnitude of the torque that the weight creates. (b) At what angle u does the magnitude of the torque equal 15 N ∙ m?

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