For the given beam and cross section, at point B on section A-A, determine the followings...

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For the given beam and cross section, at point B on section A-A, determine the followings and show them on a differential element. a) Principal stresses and its orientation [15]; b) Maximum in-plane shear stress and its orientation [10]. A 7 kN/m from A K2 m- – 2m: -2 m- K50 mm 5 mm' В 5 mm 3 mm Section A-A 80 mm For the given beam and cross section, at point B on section A-A, determine the followings and show them on a differential element. a) Principal stresses and its orientation [15]; b) Maximum in-plane shear stress and its orientation [10]. A 7 kN/m from A K2 m- – 2m: -2 m- K50 mm 5 mm' В 5 mm 3 mm Section A-A 80 mm