P.7.1 (40 points). A bending moment of 3500 Nm is applied to a beam of cross-section...

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P.7.1 (40 points). A bending moment of 3500 Nm is applied to a beam of cross-section shown in the figure below in a plane at an angle of 40° from the vertical plane. If the sense of the bending moment is such that its components Mx and My both produce compression in the positive xy quadrant, calculate the maximum direct stress stating clearly the point at which it acts. 125 C ID Nv/2 21 2 3 100mm P.7.2 (60 points). A thin-walled beam has the cross-section shown in figure below. If the beam is subjected to a negative bending moment Mx in the plane of the web 23 calculate and sketch the distribution of direct stress in the beam cross-section. 21 с 40⁰ 10mm 10mm 2h P.7.1 (40 points). A bending moment of 3500 Nm is applied to a beam of cross-section shown in the figure below in a plane at an angle of 40° from the vertical plane. If the sense of the bending moment is such that its components Mx and My both produce compression in the positive xy quadrant, calculate the maximum direct stress stating clearly the point at which it acts. 125 C ID Nv/2 21 2 3 100mm P.7.2 (60 points). A thin-walled beam has the cross-section shown in figure below. If the beam is subjected to a negative bending moment Mx in the plane of the web 23 calculate and sketch the distribution of direct stress in the beam cross-section. 21 с 40⁰ 10mm 10mm 2h

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