726 Area enclosed by parabola and straigh line | Centroid of Composite Area
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.
725 Centroid of windlift of airplane wing | Centroid of area