(Answered) Question the lower portion of an aluminum step bracket

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Question: The lower portion of an aluminum step bracket, shown in Figure, is subjected to a uniform pressure of 20 N/mm². The left end is fixed and the right end is free. The dimensions of the bracket are thickness =3 mm, L = 150 mm, b = 10 mm, and h = 24 mm. The material properties are E = 70,000 N/mm² and v = 0.3. For a preliminary analysis determine stresses in the bracket using a simple model consisting of three plane frame elements.

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