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6) The upper leg muscle (quadriceps) exerts a force of Fo = 1120 N, which is carried by a tendon over the kneecap (the patella)
at the angles shown in the figure below.
55°
75⁰
F₂
Find the magnitude in newtons and direction in degrees counterclockwise from an axis directed to the left of the force exerted
by the kneecap on the upper leg bone (the femur).
Magnitude
N
Direction
• counterclockwise from an axis directed to the left.

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