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6-93. The wing spar ABD of a light plane is made from2014-T6 aluminum and has a cross-sectional area of800 mm.?, a depth of 75 mm, and a moment of inertia

about its neutral axis of 1.11(10) m. Determine the absolute maximum bending stress in the spar if the anticipated load g is to be as shown. Assume A,B, and Care pins. Connections made along the central longitudinal axis of the spar.

Fig: 1

Fig: 2