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QUESTION 2 Beam ABCD is 8 m in length and is pin-supported at A and roller-supported at C as shown in Figure Q2. A counter-clockwise concentrated moment acts about the support A. A uniformly-distributed load acts on span BC and a vertical concentrated load acts at the free end D a) Determine the reactions at supports A and C. 4 marks) b) Obtain the shear force and the bending moment functions (in terms of x) for each segment along the length of the beam. Alternatively, using the graphical method, shovw (11 marks) the key working steps in order to sketch the shear and moment diagrams. c) Sketch the bending moment and shear force diagrams for the beam. d) Identify the number of inflection points and determine their locations. (6 marks) 4 marks) 15 KN 12 kN/m 10 kNm Figure Q2
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