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The Achilles tendon is attached to the rear of the foot as shown in Fig. 9-66. When a person elevates himself just barely off the floor on the “ball of one foot”, estimate the tension FT in the Achilles tendon (pulling upward), and the (downward) force FB exerted by the lower leg bone on the foot. Assume the person has a mass 72 kg and D is twice as long as d.
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