Several forces are applied to the pipe assembly shown. Knowing that each section of pipe has inner and outer diameters equal to 36 and 42 mm, respectively. Assuming that all stress remains below the proportional limit of the material. Determine the principal stresses and principal planes, maximum shearing stress at point H located at the top of the outer surface of the pipe and draw the oriented elements for those stresses. Use Mohr's circle to show all the principal stresses. 175 300 150 N 250 150 N H 225 100 N 100 N 225 150 N 100 N Dimensions in mm 7

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The frame supports the distributed load shown. Determine the state of stress acting at point E. Show the results on a differential element at this point. The section is composed of two materials where E₁ = 200 GPa, and E₂ = 150 GPa AC xxxx E. 4 kN/m -1.5 m 1.5 m--- -3 m 3 m BA 20 mm 60 mm 20 mm 5 m E 50 mm E₁ = 200 GPa E₂ = 150 GPa