(a) Calculate the magnitude of the force, required ofthe
Chapter 12, Problem 12.16(choose chapter or problem)
(a) Calculate the magnitude of the force, required ofthe deltoid muscle to hold up the outstretched arm shown inFig. 12-56. The total mass of the arm is 3.3 kg. (b) Calculate themagnitude of the force Fj exerted by the shoulder joint on theupper arm and the angle (to the horizontal) at which it acts.FIGURE 12-56 16 and 17.
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