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acceleration is g=9.81m/s2. The bicep is a flexible musele-fendon eomplex with a constant in the force verwas extension relation as c=300[N]. while the tricep is 41L1=41L2. Suppose the arm rotated about the shoulder joint O for an angle y. which moves O1 to O3. Then, the contraction/extension of the bicep eaused the front arm rotated about O1 for an angle 2. (25 points) (a) Find the relationship between the positions of the points A,B, and C and the joint angles 1, and 2. ( 5 points) (b) Find the relationship between the tangential velocities of the points A,B, and C and the joint angular velocities 1 and 2. (10 points) (c) Assume that in a state of equilibrium, a weight W is lifted at the point C. Find the stretching force, FB, and the strain, , of the bicep when the joint angles 1=2=45.(10 points) Fig. 1 Question 1