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QUESTION 1 (30 marks) For the beams shown in Figure 1 determine the reaction forces and draw the shear and moment diagrams using the moment distribution method. All elements have the same El unless otherwise indicated. |300 kN 180 KN DV E 50 kN/m I В. A 5 m 5 m 3 m2 m2 m 3 m Figure 1