Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 17, Problem 17.21PP
To determine
The force required to hold the plate
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Calculate the fluid force on one side of a righttriangular plate with edges 3 ft, 4 ft, and 5 ft if the plate sits at thebottom of a pool filled with water to a depth of 6 ft on its 3-ft edgeand tilted at 60° to the bottom of the pool.
The 20-ft-long gate of Fig. 1s a quarter circle
6 ft
and is hinged at H. Determine the horizontal force, P, required
to hold the gate in place. Neglect friction at the hinge and the
weight of the gate.
Water
Gate
H
Hinge
A loaded scow has draft of 1.6 m in sea water (sg = 1.03) when in upright position. The scow is 6 m wide and 12 m long and 2.4 m high. The center of gravity of the scow is 1.8 m above the bottom along the vertical axis of symmetry. Assume that the center of buoyancy is located half of the height of draft. Determine the metacentric height due to pitching if the scow is tilted until one end is just submerged in seawater.
Chapter 17 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 17 - A cylinder 25 mm in diameter is placed...Ch. 17 - As part of an advertising sign on the top of a...Ch. 17 - Determine the terminal velocity (see Section 2.6.4...Ch. 17 - Calculate the moment at the base of a flagpole...Ch. 17 - A pitcher throws a baseball without spin with a...Ch. 17 - A parachute in the form of a hemispherical cup 1.5...Ch. 17 - Calculate the required diameter of a parachute in...Ch. 17 - A ship tows an instrument in the form of a 30...Ch. 17 - A highway sign is being designed to withstand...Ch. 17 - Assuming that a semitrailer behaves as a square...
Ch. 17 - A type of level indicator incorporates four...Ch. 17 - Prob. 17.12PPCh. 17 - A bulk liquid transport truck incorporates a...Ch. 17 - A wing on a race car is supported by two...Ch. 17 - Prob. 17.15PPCh. 17 - The four designs shown in Fig. 17.16 for the cross...Ch. 17 - Prob. 17.17PPCh. 17 - Prob. 17.18PPCh. 17 - An antenna in the shape of a cylindrical rod...Ch. 17 - Prob. 17.20PPCh. 17 - Prob. 17.21PPCh. 17 - Prob. 17.22PPCh. 17 - Assume that curve 2 in Fig. 17.5 is a true...Ch. 17 - Prob. 17.24PPCh. 17 - Prob. 17.25PPCh. 17 - A small, fast boat has a specific resistance ratio...Ch. 17 - Prob. 17.27PPCh. 17 - Assume that Fig. 17.11 shows the performance of...Ch. 17 - Calculate the total drag on an airfoil that has a...Ch. 17 - Prob. 17.30PPCh. 17 - Prob. 17.31PPCh. 17 - Prob. 17.32PPCh. 17 - Prob. 17.33PP
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- A. Q4 A piston of cross-sectional area a is used in a hydraulic press to exert a small force of magnitude f on the enclosed liquid. A connecting pipe leads to a larger piston of cross-sectional area A (Fig.14-36).(a) What force magnitude F will the larger piston sustain without moving? (b) If the piston diameters are 3.80 cm and 53.0 cm, what force magnitude on the small piston will balance a 20.0. larg piston -> Small piston aarrow_forwardA cylinder (diameter 4 m) of weight 50 kN is placed on the bottom of the tank as shown and oil and water is poured in left and right side of tank respectively. Magnitude of horizontal force at centre that should be applied on cylinder so that it does not roll is (for unit length) kN. 64m Oil S=0.7 1.2 m Water S=1 0.7marrow_forwardThe scow is 40 ft long, 20 ft wide, and 8 ft deep. It has a draft of 5 ft when floating in an upright position. The center of gravity of the scow is on the axis of symmetry, 1 ft above the water surface. Compute (a)the initial metacentric height and (b) the righting moment in freshwater when the angle of heel ? is 10°.arrow_forward
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