Extracted text: Q1: For the loaded simply supported beam shown in figure, if the allowable bending stress is 100 MPa determine: (1) the minimum value of the width (b). (2) the maximum shear stress in the section. 20mm 10mm 20 kN 120mm 3 kN/m 60mm 20 kN.m 10mm B 20mm 3m 1m 10mm 10mm