Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 5.21PP
A cylindrical log has a diameter of
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Chapter 5 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 5 - The instrument package shown in Fig. 5.18 weighs...Ch. 5 - A 1.0 -m-diameter hollow sphere weighing 200 N is...Ch. 5 - A certain standard steel pipe has an outside...Ch. 5 - A cylindrical float has a 10 -in diameter and is...Ch. 5 - A buoy is a solid cylinder 0.3 m in diameter and...Ch. 5 - A float to be used as a level indicator is being...Ch. 5 - A concrete block with a specific weight of...Ch. 5 - Figure 5.19shows a pump partially submerged in oil...Ch. 5 - A steel cube 100mm on a side weighs 80N. We want...Ch. 5 - A cylindrical drum is 2 ft in diameter, 3 ft long,...
Ch. 5 - If the aluminum weights described in Problem 5.10...Ch. 5 - Figure 5.20 shows a cube floating in a fluid....Ch. 5 - A hydrometer is a device for indicating the...Ch. 5 - For the hydrometer designed in Problem 5.13 what...Ch. 5 - For the hydrometer designed in Problem 5.13 , what...Ch. 5 - A buoy is to support a cone-shaped instrument...Ch. 5 - A cube has side dimensions of 18.00 in. It is made...Ch. 5 - A cube has side dimensions of 18.00 in. It is made...Ch. 5 - A ship has a mass of 292 Mg. Compute the volume of...Ch. 5 - An iceberg has a specific weight of 8.72kN/m3....Ch. 5 - A cylindrical log has a diameter of 450 mm and a...Ch. 5 - The cylinder shown in Fig. 5.23 is made from a...Ch. 5 - If the cylinder from Problem 5.22 is placed in...Ch. 5 - A brass weight is to be attached to the bottom of...Ch. 5 - For the cylinder with the added brass (described...Ch. 5 - For the composite cylinder shown in Fig. 5.25 what...Ch. 5 - A vessel for a special experiment has a hollow...Ch. 5 - A light foam cup similar to a disposable coffee...Ch. 5 - A light foam cup similar to a disposable coffee...Ch. 5 - Repeat Problem 5.29, but consider that the steel...Ch. 5 - Figure 5.27 shows a raft made of four hollow drums...Ch. 5 - Figure 5.28 shows the construction of the platform...Ch. 5 - For the raft shown in Fig. 5.27, how much of the...Ch. 5 - For the raft and platform shown in Figs. 5.27 and...Ch. 5 - A float in an ocean harbor is made from a uniform...Ch. 5 - Describe how the situation described in Problem...Ch. 5 - A cube 6.00 in on a side is made from aluminum...Ch. 5 - Prob. 5.38PPCh. 5 - A cylindrical block of wood is 1.00 m in diameter...Ch. 5 - A container for an emergency beacon is a...Ch. 5 - The large platform shown in Fig. 5.29 carries...Ch. 5 - Will the cylindrical float described in Problem...Ch. 5 - Will the buoy described in Problem 5.5 be stable...Ch. 5 - Will the float described in Problem 5.6 be stable...Ch. 5 - A closed, hollow, empty drum has a diameter of...Ch. 5 - Figure 5.30 shows a river scow used to carry bulk...Ch. 5 - Prob. 5.47PPCh. 5 - For the vessel shown in Fig. 5.26and described in...Ch. 5 - For the foam cup described in Problem 5.28, will...Ch. 5 - Referring to Problem 5.29, assume that the steel...Ch. 5 - Referring to Problem 5.30, assume that the steel...Ch. 5 - Prob. 5.52PPCh. 5 - Will the cylinder together with the brass plate...Ch. 5 - A proposed design for a part of a seawall consists...Ch. 5 - A platform is being designed to support some water...Ch. 5 - Prob. 5.56PPCh. 5 - A barge is 60 ft long, 20 ft wide, and 8 ft deep....Ch. 5 - If the barge in Problem 5.57 is loaded with 240000...Ch. 5 - A piece of cork having a specific weight of...Ch. 5 - Figure 5.20 shows a cube floating in a fluid, (a)...Ch. 5 - A boat is shown in Fig. 5.33(a). Its geometry at...Ch. 5 - (a) If the cone shown in Fig. 5.34 is made of pine...Ch. 5 - Refer to Fig. 5.35. The vessel shown is to be used...Ch. 5 - Prob. 5.64PPCh. 5 - Wetsuits are prohibited in some triathlons due to...Ch. 5 - A cylinder that is 500 mm in diameter and 2.0 m...Ch. 5 - The diving bell shown in Fig. 5.2 weighs 72 kN and...Ch. 5 - Prob. 5.68PPCh. 5 - A scuba diver with wet suit, tank, and gear has a...Ch. 5 - Prob. 5.70PPCh. 5 - Does steel float? It has a specific gravity of...Ch. 5 - Prob. 5.72PPCh. 5 - An undersea camera (Figure 5.36 ) is to hang from...Ch. 5 - Work Problem 5.73 again, but this time the camera...Ch. 5 - Write a program for evaluating the stability of a...Ch. 5 - For any cylinder of a uniform density floating in...Ch. 5 - For the results found in Project 2, compute the...Ch. 5 - Write a program for evaluating the stability of a...Ch. 5 - Write a program for determining the stability of a...
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- QUESTION 1A solid cylinder is to be 0.25 m in diameter. The base of axial length 25 mm is to be of metal which has a specific gravity of 7, and the remainder of material which has a specific gravity of 0.5. Find the maximum overall length of the cylinder so that it may float in water in stable equilibrium with its axis vertical. QUESTION 2A square block (?? × ??) in a plan, has a height ?? and a relative density of 0.8. What would be a permissible ????limit so that the cylinder may float in stable equilibrium with its axis vertical?arrow_forwardA cubical float, 1.22 m on a side, weighs 1.78 kN and is anchored by means of a concrete blockthat weighs 6.67 kN in air. If 229 mm of the float is submerged when the chain connected to theconcrete is taut, what rise in water level will lift the concrete off the bottom? Concrete weighs23.56 kN/m3arrow_forwardA solid cylinder of diameter 5.0m has a height of 5.0 m. Find the metacentric height of the cylinder if the specific gravity of the material of cylinder is 0.70 and is floating in water with its axis vertical. with free body diagram.arrow_forward
- SOLVE THE FF, SHOW YOUR COMPLETE SOLUTION (ANSWERS MUST BE IN 3 DECIMAL PLACES). The vessel is 20m long, 10m wide and 5 m deep. It has a draft of 4, when floating in an upright position. The center of gravity of the scow is on the axis of the symmetry, Find: (a) The initial metacentric height (at initial position) (b) The metacentric height in tilted position when the vessel is at the point of submergence. (c) The distance between weight and the buoyancy in tilted position. (d) The moment created. (e) Classify the kind of moment. (f) The shifted distance of buoyancy.arrow_forwardright cylindrical object has a diameter of 1526 mm and a height of 2.1m. The density of water is 1000 kg/m3. If the right cylindrical object is placed in the water, what is the buoyant force?arrow_forwardAs shown in the illustration, a 6-m-wide, 15-m-long barge is filled with rocks and floats in water. Assume that the rocks' and barge's center of gravity, G, is positioned along the centerline at the barge's surface. What is the metacentric height in meters if the barge carrying the rocks weights 1,765.8 kN? Only round off on the final answer, Use three decimal places.arrow_forward
- A solid mat has a diameter of 3.81 cm and a relative density of 0.089. It floats in water at a depth "h". Determine this height if: al the thrust due to the air is negligible b) the thrust of the air is not negligible PAIRE=1,225kg/m° (use 4 decimal places for your calculations).arrow_forwardSituation. A right circular cylinder having a diameter of 1.00 m and weighing 900 N is held in position by an anchor block such that 0.30 m of the cylinder is below the surface of the water with its axis vertical. The anchor block has a volume of 0.50 cubic meters and weighs 24 kN per cubic meter in air. Assume sea water to have specific gravity of 1.03. Neglecting the weight and volume of the cable. 1. Evaluate the buoyant force on the cylinder for the position described, in kN. O 2.15 O 4.25 O 2.95 O 2.38 2. Evaluate the tensile force in wire for the given draft, in kN. 0 3.25 0 3.95 01.48 01.95 3. Evaluate the rise in the tide that will lift the anchor from the bottom of the sea, in meters. 00.53 0 0.69 00.96 00.44arrow_forwarda.Determine the volume of lead weighing 110 kN/m^3 must be fastened to the outside bottom to make the cylinder float vertically with 1m submerged? 1kg = 9.81 N b. What volume of lead is required if placed inside the cylinder?arrow_forward
- A block of wood floats in water with 2 inches projecting above the water surface. When placed in glycerin of relative weight 1.26, the block floats 3 inches above the liquid. Determine the weight density of the wood.arrow_forwardthe timber shown is 30cm square and has a specific gravity of 0.50. A man weighing 70kg standing at a point 60cm from one end causes that end to be just submerged. How long is the timber? Answer: L=5marrow_forwardSOLVE THE FF, SHOW YOUR COMPLETE SOLUTION (ANSWERS MUST BE IN 3 DECIMAL PLACES). The scow is 50 ft long, 30 ft wide and 8 ft deep. It has a draft of 5ft, when floating in an upright position. The center of gravity of the scow is on the axis of the symmetry 1ft above the water surface. Find: (a) The initial metacentric height (at initial position) (b) The metacentric height in tilted position when the angle of tilt is 10. (c) The distance between weight and the buoyancy in tilted position. (d) The moment created. (e) Classify the kind of moment. (f) The shifted distance of buoyancy.arrow_forward
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