QUESTION 3 The beam in Figure 3 is supported and loaded as shown. Take end A as the origin for the x-y coordinate. (Expr
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QUESTION 3 The beam in Figure 3 is supported and loaded as shown. Take end A as the origin for the x-y coordinate. (Expr
QUESTION 3 The beam in Figure 3 is supported and loaded as shown. Take end A as the origin for the x-y coordinate. (Express answer in SI units.) (a) Calculate the value of the reaction at the supports. (3 marks) (b) Draw the shear force and the bending moment diagrams. Label all the significant points on both diagrams. (6 marks) (c) Find the magnitude of the shear force and bending moment at the midpoint. (6 marks) 20 lb*ft 90=10 lb/in P= 80 lb ||———- = 40 in. Figure 3 40 in
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