a) For the following data draw infinitesimal elements showing these states of stress and then using...

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a) For the following data draw infinitesimal elements showing these states of stress and then using Mohr circle determine, 1) the principal stresses and their orientation; 2) the maximum shear stress and its orientation. (The representations of the Mohr circle and the infinitesimal elements are required) 1. 0,20 MPa oy=-15 MPa Txy = 10 MPa 2. o, -15 MPa oy = -15 MPa Txy = -15 MP b) The pipe assembly is loaded as shown in the figure below, determine 1. The state of stress at point B and show the results on a differential element located at this point. 2. The principal stresses and the maximum shear stress at point B by using Mohr's circle. 300 mm 300 N 300 mm 200 mm 450 N 30 mm B 20 mm Section a-a a) For the following data draw infinitesimal elements showing these states of stress and then using Mohr circle determine, 1) the principal stresses and their orientation; 2) the maximum shear stress and its orientation. (The representations of the Mohr circle and the infinitesimal elements are required) 1. 0,20 MPa oy=-15 MPa Txy = 10 MPa 2. o, -15 MPa oy = -15 MPa Txy = -15 MP b) The pipe assembly is loaded as shown in the figure below, determine 1. The state of stress at point B and show the results on a differential element located at this point. 2. The principal stresses and the maximum shear stress at point B by using Mohr's circle. 300 mm 300 N 300 mm 200 mm 450 N 30 mm B 20 mm Section a-a