Question 1 The external loadings imposed on a horizontal beam is shown in Figure Q1(a). The beam is pivoted at Point A. (a) (b) 100 N/m 50 N/m 20 N 40 cm 50 cm Figure Q1 70 cm Apply the principle of equilibrium to calculate the force T and all applicable reaction load(s) acting on the beam. (4 marks) Construct the free body diagram, shear force diagram and bending moment diagram of the beam subjected to the loading shown in Figure Q1.