1)  the resultant hydrostatic force, the line of action is on a centroid of surface area b center of pressure c randomly, can not be determined 2) To calculate the location of pressure center, area moment of inertia of the submerged surface should be known. True or False

Locate the centroid of the plane area shown if r = 40 mm.    X¯¯¯�¯ : -6.7  Numeric Response 1.Edit Unavailable. -6.7 correct.mm  Y¯¯¯�¯ : 58.1  Numeric Response 2.Edit Unavailable. 58.1 correct.mm     A thin, homogeneous wire is bent to form the perimeter of the figure indicated. Locate the center of gravity of the wire figure thus formed if h = 54 mm.    X¯¯¯�¯ : 41.2  Numeric Response 1.Edit Unavailable. 41.2 correct.mm Y¯¯¯�¯ : 30.2  Numeric Response 2.Edit Unavailable. 30.2 correct.mm

6) Find the centroid, (x, 5), of the area below. The circle and semi-circle are holes. The circle has a diameter of 0.5 m, is tangent to the x-axis, and is centered with the x = 0.5 m mark. The semi-circle has a radius of 0.15 m and is centered with the x = 1.5 m mark. y2 = x -y +x = 2 1 m 1m 1 m