Problem 726 Locate the centroid of the shaded area enclosed by the curve y2 = ax and the straight line shown in Fig. P-726. Hint: Observe that the curve y2 = ax relative to the y-axis is of the form y = kx2 with respect to the x-axis.
Problem 724 Find the coordinates of the centroid of the shaded area shown in Fig. P-724.
Problem 723 Locate the centroid of the shaded area in Fig. P-723.
Problem 722 Locate the centroid of the shaded area in Fig. P-722 created by cutting a semicircle of diameter r from a quarter circle of radius r.
Problem 721 Refer again to Fig. P-714. To what value should the 6-in. width of the flange be changed so that the centroid of the area is 2.5 in. above the base?
Problem 720 The centroid of the sahded area in Fig. P-720 is required to lie on the y-axis. Determine the distance b that will fulfill this requirement.
Problem 719 Determine the centroid of the lines that form the boundary of the shaded area in Fig. P-718.
Problem 718 Locate the centroid of the shaded area shown in Fig. P-718.
Problem 717 Locate the centroid of the bent wire shown in Fig. P-717. The wire is homogeneous and of uniform cross-section.
Problem 716 A slender homogeneous wire of uniform cross section is bent into the shape shown in Fig. P-716. Determine the coordinates of the centroid.
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