Question: While slowly walking, a man having a total mass M places all his weight on one foot. Assuming that the normal force NC of the

While slowly walking, a man having a total mass M places all his weight on one foot. Assuming that the normal force NC of the ground acts on his foot at C, determine the resultant vertical compressive force FB which the tibia T exerts on the astragalus B, and the vertical tension FA in the Achilles tendon A at the instant shown.

Units Used:

kN = 103 N

Given:

M = 80 kg

a = 15 mm

b = 5 mm

c = 20 mm

d = 100 mm

FB FA Nc

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