Tendon forces ta and tb are applied on the patella the, Ask an Expert

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Tendon forces Ta and Tb are applied on the patella. The femur applies force F on the patella. When Tb = 80 N, determine the magnitudes of Ta and F if no motion takes place at the joint? (Hint: Consider the forces in the horizontal and vertical directions separately. Since no movement takes place, the sum of forces is equivalent to zero. You now encompass two equations and two unknowns.)

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