4. Determine magnitude and location of forces on all vertical walls. Water 10 ft 15

2. Figure 2 shows the rectangular gate AB with the width of the gate is 2.5 m. Find the resultant force and its centre of pressure vertically from the water surface to gate AB. 17 m water Figure 2 B 9.6 m 7.2 m

Problem 4. A tank with vertical ends contain oil (0.82) and is 8m long nomal to the plane. The sketch in figure 1 shows a portion of its cross-section where AB is one-quarter of an ellipse with semi-axes b and d. If b=4m, d=6m and the distance from point A to the oil surface is 1.50m, determine the following: a. Horizontal component Fn of the hydrostatic force b. Vertical component F, of the hydrostatic force c. Location of the center of pressure vertically from the liquid surface d. Line of action of the vertical force "x" in reference with point B A B.

2. water gurface 2:5m A 1.smradius The corner of a floating body has a quarter cylinder AB having a length normal to the paper of 3 m (width of the floating body). Calculate the magnitude of the horizontal, vertical and total force on AB and the location of horizontal force (from the free surface) and the vertical force (from pt. A).