For the area below, evaluate 1. The (x,y) coordinates of the centroid (please mark your origin or reference point on the diagram) 2. The 2nd moments and product of area in centroidal-based xy (horizontal-vertical) coordinates 3. The principal 2nd moments of area, and the direction of the first principal axis relative to the horizontal (x) axis (anticlockwise positive) 30 75 50 50 150 60 50 15 30 Figure 1: Cross section (all dimensions in mm) Quantity Xc (please mark your origin on the diagram) Ye (please mark your origin on the diagram) Ix Iy Ixy I₁ I₂ a (please show the direction) Value Units
For the area below, evaluate 1. The (x,y) coordinates of the centroid (please mark your origin or reference point on the diagram) 2. The 2nd moments and product of area in centroidal-based xy (horizontal-vertical) coordinates 3. The principal 2nd moments of area, and the direction of the first principal axis relative to the horizontal (x) axis (anticlockwise positive) 30 75 50 50 150 60 50 15 30 Figure 1: Cross section (all dimensions in mm) Quantity Xc (please mark your origin on the diagram) Ye (please mark your origin on the diagram) Ix Iy Ixy I₁ I₂ a (please show the direction) Value Units
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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