4.47 Use Fig. 4.47. The surface is 2.00 m long. Water 1.85 m 0.75-m radius FIGURE A47 Probleme 4.47 and 4 56

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Chapter2: Loads On Structures
Section: Chapter Questions
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the fluid.
Piezometric Head
Forces on Curved Surfaces
4.43 Repeat Problem 4.19 (Fig. 4.31), except that the tan is
now sealed at the top with a pressure of 13.8 kPa ab e
the oil.
4.44 Repeat Problem 4.20 (Fig. 4.32), except that the tanl is
now sealed at the top with a pressure of 25.0 kPa abee
the fluid.
General Note for Problems 4.47-4.54. For each problem, one curved
surface is shown restraining a body of static fluid. Compute the mag-
nitude of the horizontal component of the force and compute the
vertical component of the force exerted by the fluid on that surface.
Then compute the magnitude of the resultant force and its direction.
Show the resultant force acting on the curved surface. In each case
the surface of interest is a portion of a cylinder with the length of the
surface given in the problem statement.
4.45 Repeat Problem 4.26 (Fig. 4.38), except that the tank
now sealed at the top with a pressure of 2.50 psig abov
the fluid.
CHAPTER FOUR Forces Due to Stati uids
4.47 Use Fig. 4.47. The surface is 2.00 m long.
4.50 Use Fig. 4.50. The surface is 4.50 ft long.
Oil
Water
sg = 0,85
9.50 ft
1.85 m
7.50 ft
0.75-m radius
FIGURE 4.47 Problems 4.47 and 4.55.
FIGURE 4.50 Problem 4.50.
Transcribed Image Text:the fluid. Piezometric Head Forces on Curved Surfaces 4.43 Repeat Problem 4.19 (Fig. 4.31), except that the tan is now sealed at the top with a pressure of 13.8 kPa ab e the oil. 4.44 Repeat Problem 4.20 (Fig. 4.32), except that the tanl is now sealed at the top with a pressure of 25.0 kPa abee the fluid. General Note for Problems 4.47-4.54. For each problem, one curved surface is shown restraining a body of static fluid. Compute the mag- nitude of the horizontal component of the force and compute the vertical component of the force exerted by the fluid on that surface. Then compute the magnitude of the resultant force and its direction. Show the resultant force acting on the curved surface. In each case the surface of interest is a portion of a cylinder with the length of the surface given in the problem statement. 4.45 Repeat Problem 4.26 (Fig. 4.38), except that the tank now sealed at the top with a pressure of 2.50 psig abov the fluid. CHAPTER FOUR Forces Due to Stati uids 4.47 Use Fig. 4.47. The surface is 2.00 m long. 4.50 Use Fig. 4.50. The surface is 4.50 ft long. Oil Water sg = 0,85 9.50 ft 1.85 m 7.50 ft 0.75-m radius FIGURE 4.47 Problems 4.47 and 4.55. FIGURE 4.50 Problem 4.50.
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