3) Determine the maximum in-plane shear stress developed at point A on the cross section of...

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3) Determine the maximum in-plane shear stress developed at point A on the cross section of the arm at section a-a. Specify the orientation of this state of stress and indicate the results on an element at the point. B x=390 7.5 mm 7.5 mm 50 mm 7.5 mm 20 mm 0.35 m 0.15 m 0.15 m X N Section a-a 3) Determine the maximum in-plane shear stress developed at point A on the cross section of the arm at section a-a. Specify the orientation of this state of stress and indicate the results on an element at the point. B x=390 7.5 mm 7.5 mm 50 mm 7.5 mm 20 mm 0.35 m 0.15 m 0.15 m X N Section a-a