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Unformatted text preview: (3) and (4): Qy = x A and Qx = y A i.e. x = Qy/A and y = Qx/A x x dA A y y dA A = = z z Examples Solve Examples Using the method of integration to locate Centroids. Centroids of Composite Objects Centroids of Composite Objects Contd. Examples Solve Examples to Illustrate the centroid of Composite Objects. Examples Solve Examples to illustrate the centroids of beams with distributed Loads. Assignment1 1. The column is used to support the floor which exerts a force of 3000 N on top of the column. The effect of soil pressure along its side is distributed as shown. Replace this loading by an equivalent resultant force and specify where it acts along the column, measured from the base A. Assignment2 2. The wall footing is used to support the column load of 12,000 N. Determine the intensities w 1 and w 2 of the distributed loading acting on the base of the footing for equilibrium....
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 Spring '09
 tuken
 Structural Engineering

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