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Question 1: Three forces are applied to the machine component ABD as shown. Knowing that the cross section containing point H is a 20x40 mm rectangle, determine: [10 points] 1. The stress state at point H 2. Draw the Mohr circle of stress element at point H (assume 2D plane stress) 3. Determine the principal stresses and draw stress element orientation (0p). 4. Determine the maximum shear stress and draw stress element orientation (8s). y 50 mm 150 mm 0.5 kN 50mm 150mm K* H B C K&N 3 KN 2.5 kN aH- 20 mm 40 mm 160 mm 3 kN