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Advanced Mechanics of Solids Detailed answer please Answer any three questions. Each question carries 10 marks. a) The stress tensor at a point with reference

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Advanced Mechanics of Solids Detailed answer please

Answer any three questions. Each question carries 10 marks. a) The stress tensor at a point with reference to axes (X,Y,Z) is given by the array 412160208MPa. Show that the stress invariants remain unchanged by transformation of the X and Y axes by 45 about the Z-axis. (Note: The Z-axis remains same before and after transformation.)

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