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Suppose you hold your leg up behind you, so that your lower leg is horizontal. The leg pivots at the knee joint, and the force to hold up the leg is provided by a tendon attached to the lower leg as shown above. Assume that the center of mass of the lower leg is directly in between the knee joint and the end of the foot. As you hold your leg in the position, which of the following is true of the tension in the tendon supporting the lower leg? A. The tension in the tendon is 5 times greater than the weight of the lower leg. B. The tension in the tendon is equal to the weight of the lower leg. C. The tension in the tendon is 5 times less than the weight of the lower leg. D. The tension in the tendon is 10 times greater the weight of the lower leg.
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Suppose you hold your leg up behind you, so that your lower leg is horizontal. The leg pivots at the...
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