-1m- Consides the three bars shown: ABD, BC and DCE. The 5 kN force acts only on bar ABD. Likewise, the 3 kNm couple moment also acts only on bar ABD. Pin D connects bars ABD and DCE, and bar BC is connected to bars ABD and DCE by pins at B and C, respectively. a. Obtain all support reactions at pin A, rocker at E, and the force along bar BC. b. The pin at B is subjected to single shear, and the pin at A is subjected to double shear. If the maximum allowable shear stress for the pin material is 50 MPa, determine the minimum Allowable diameter of pins A and B, respectively. Draw state of stress on volume elements taken from pins B and A, separately. If diameter of bar BC is 37.5 mm, determine the average normal stress along bar BC. Jeq

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