PSD323- Principles of Steel Design 2. For the shaded area in the Figure shown, determine the following: a. The area of the shaded portion in square millimeters b. The x-coordinate of the centroid of the area in mm c. The moment of inertia of the composite area with respect to the x-axis in mm^4 45 mm 3. For the shaded area shown in the figure below, determine the following: a. The area of the shaded area in square millimeters b. the x coordinate of the centroid in millimeters c. the y- coordinate of the centroid in millimeters. 400 e 200 200 20 mm

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Q: only HANDWRITTEN answer needed ( NOT TYPED)

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Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.