65.A cube of wood (s.g. 0.60) has 9-in sides. Compute the magnitude direction of the force required to hold the wood completely submerge in water.
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- The thin-walled cylindrical can with a spherical dimple weighs 0.2 lb. Determine the force P required to push the can into water to a depth of 8 in. Use =0.036lb/in.3 for water.Calculate the resultant force caused by the water acting on the parabolic arch dam. The water levels are 16 ft on the upstream side and zero on the downstream side. For water, use =62.4lb/ft3.5. A cylinder of diameter D and length L (into the paper) is immersed in water as shown. Assume water density as p. Assume the cylinder is exposed to atmospheric pressure. Find the magnitudes of horizontal and vertical forces due to the water column (i.e. hydrostatic forces only) on surfaces of each of the four quadrants I, II, III, and IV. Clearly box your final answers (There should be 8 expressions, 4 horizontal forces and 4 vertical forces). Water level Open to atmosphere D/2 cylinder of diameter D Length L into the paper II II IV Rigid wall
- 2. water qurese 1smredius 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).5- The tank with 3 m wide into the paper. Neglecting atmospheric pressure, compute the hydrostatic 6 m Water (a) horizontal force, (b) vertical force, and 4 m (c) resultant force on quarter-circle panel BC.5. A circular gate 2 m in diameter has water on one side and is inclined 45 degrees with the horizontal. Water is 1.50 m above the top of the gate. (a) Draw the free-body diagram of the gate. (b) Compute the force acting on the gate in kN and its location (i.e. from the center of gravity to the center of pressure) in meters. (c) Also, if the top of the gate is a hinge, what force in kN perpendicular to the gate is needed to open the gate at the bottom (i.e. intersection of the gate and river bed)?
- 4. A container lying horizontally is filled with water. It is 5 ft long and its cross section is in the shape of a semicircle with diameter 3 ft at the top. The weight density of water is 3 62.4 lb/ft. (Draw an illustration.) b. Find the force due to fluid pressure on one semicircular end of the container.Problem 2 A cube of wood (s.g.-0.60) has 9 in sides. Compute the magnitude and direction of the force required to hold the wood completely submerged in water.3. A 1.5m long cylindrical barrel made of a material whose specific gravity is 3.8, shown in the rightmost figure, has water on one side and glycerin on the other. a. Calculate the resultant force acting on the glycerin side. b. Determine the total force on the side of water. c. Calculate the MAGNITUDE AND DIRECTION of the vertical and horizontal components of the reaction between the cylinder and the floor. Glycerin sg 1.26 0.5m 0.5m Water
- 14 ft long gate as shown in Fig.is a quarter circle and is hinged at H. Neglecting atmospheric pressure, compute 6 ft Water the hydrostatic resultant force on quarter-circle and its Gate direction. Hinge5.4 A cylindrical float has a 10-in diameter and is 12 in long. What should be the specific weight of the float material if it is to have 9/10 of its volume below the surface of a fluid with a specific gravity of 1.10? m in diameter and 1.2 m 1:J lis2. 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).