Fox And Mcdonald's Introduction To Fluid Mechanics
9th Edition
ISBN: 9781118921876
Author: Pritchard, Philip J.; Leylegian, John C.; Bhaskaran, Rajesh
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 2, Problem 68P
You intend to gently place several steel needles on the free surface of the water in a large tank. The needles come in two lengths: Some are 5 cm long, and some are 10 cm long. Needles of each length are available with diameters of 1 mm, 2.5 mm, and 5 mm. Make a prediction as to which needles, if any, will float.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
What will be the diameter (in mm) of a water
droplet, the pressure inside which is 0.00181
N/cm2 greater than the outside pressure?
(Take surface tension as 0.075 N/m)
What will be the diameter (in mm) of a water droplet, the pressure inside which is 0.00201
N/cm? greater than the outside pressure? (Take surface tension as 0.075 N/m)
Complete solutions and drawings, pls!
Chapter 2 Solutions
Fox And Mcdonald's Introduction To Fluid Mechanics
Ch. 2 - For the velocity fields given below, determine:...Ch. 2 - For the velocity fields given below, determine:...Ch. 2 - A viscous liquid is sheared between two parallel...Ch. 2 - For the velocity field V=Ax2yi+Bxy2j, where A = 2...Ch. 2 - A fluid flow has the following velocity...Ch. 2 - When an incompressible, nonviscous fluid flows...Ch. 2 - For the free vortex flow the velocities are t =...Ch. 2 - For the forced vortex flow the velocities are t =...Ch. 2 - A velocity field is specified as V=axyi+by2j,...Ch. 2 - A velocity field is given by V=ax3i+bxy3j, where a...
Ch. 2 - The velocity for a steady, incompressible flow in...Ch. 2 - The flow field for an atmospheric flow is given by...Ch. 2 - For the velocity field V=AxiAyj,, where A = 2s 1....Ch. 2 - A velocity field in polar coordinates is given...Ch. 2 - The flow of air near the Earths surface is...Ch. 2 - A velocity field is given by V=aytibxj, where a =...Ch. 2 - Air flows downward toward an infinitely wide...Ch. 2 - Consider the flow described by the velocity field...Ch. 2 - Consider the velocity field V = axi + by(1 + ct)...Ch. 2 - Consider the flow field given in Eulerian...Ch. 2 - A velocity field is given by V=axti+byj, where A =...Ch. 2 - Consider the garden hose of Fig. 2.5. Suppose the...Ch. 2 - Consider the velocity field of Problem 2.18. Plot...Ch. 2 - Streaklines are traced out by neutrally buoyant...Ch. 2 - Consider the flow field V=axti+bj, where a = 1/s2...Ch. 2 - A flow is described by velocity field V=ay2i+bj,...Ch. 2 - Tiny hydrogen bubbles are being used as tracers to...Ch. 2 - A flow is described by velocity field V=ai+bxj,...Ch. 2 - A flow is described by velocity field V=ayi+btj,...Ch. 2 - A flow is described by velocity field V=ati+bj,...Ch. 2 - The variation with temperature of the viscosity of...Ch. 2 - The variation with temperature of the viscosity of...Ch. 2 - Some experimental data for the viscosity of helium...Ch. 2 - The velocity distribution for laminar flow between...Ch. 2 - What is the ratio between the viscosities of air...Ch. 2 - Calculate velocity gradients and shear stress for...Ch. 2 - A very large thin plate is centered in a gap of...Ch. 2 - A female freestyle ice skater, weighing 100 lbf,...Ch. 2 - A block of mass 10 kg and measuring 250 mm on each...Ch. 2 - A 73-mm-diameter aluminum (SG = 2.64) piston of...Ch. 2 - A vertical gap 25 mm wide of infinite extent...Ch. 2 - A cylinder 8 in. in diameter and 3 ft long is...Ch. 2 - Crude oil at 20C fills the space between two...Ch. 2 - The piston in Problem 2.40 is traveling at...Ch. 2 - A block of mass M slides on a thin film of oil....Ch. 2 - A block 0.1 m square, with 5 kg mass, slides down...Ch. 2 - A torque of 4 N m is required to rotate the...Ch. 2 - A circular disk of diameter d is slowly rotated in...Ch. 2 - The fluid drive shown transmits a torque T for...Ch. 2 - A block that is a mm square slides across a flat...Ch. 2 - In a food-processing plant, honey is pumped...Ch. 2 - SAE 10W-30 oil at 100C is pumped through a tube L...Ch. 2 - The lubricant has a kinematic viscosity of 2:8105...Ch. 2 - Calculate the approximate viscosity of the oil....Ch. 2 - Calculate the approximate power lost in friction...Ch. 2 - Fluids of viscosities 1 = 0.1 Ns/m2 and 2 = 0.15...Ch. 2 - A concentric cylinder viscometer may be formed by...Ch. 2 - A concentric cylinder viscometer is driven by a...Ch. 2 - A shaft with outside diameter of 18 mm turns at 20...Ch. 2 - A shock-free coupling for a low-power mechanical...Ch. 2 - A proposal has been made to use a pair of parallel...Ch. 2 - The cone and plate viscometer shown is an...Ch. 2 - A viscometer is used to measure the viscosity of a...Ch. 2 - A concentric-cylinder viscometer is shown. Viscous...Ch. 2 - Design a concentric-cylinder viscometer to measure...Ch. 2 - A cross section of a rotating bearing is shown....Ch. 2 - Small gas bubbles form in soda when a bottle or...Ch. 2 - You intend to gently place several steel needles...Ch. 2 - According to Folsom [6], the capillary rise h...Ch. 2 - Calculate and plot the maximum capillary rise of...Ch. 2 - Calculate the maximum capillary rise of water...Ch. 2 - Calculate the maximum capillary depression of...Ch. 2 - Water usually is assumed to be incompressible when...Ch. 2 - The viscous boundary layer velocity profile shown...Ch. 2 - In a food industry process, carbon tetrachloride...Ch. 2 - What is the Reynolds number of water at 20C...Ch. 2 - A supersonic aircraft travels at 2700 km/hr at an...Ch. 2 - SAE 30 oil at 100C flows through a 12-mm-diameter...Ch. 2 - A seaplane is flying at 100 mph through air at...Ch. 2 - An airliner is cruising at an altitude of 5.5 km...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
In the following exercises, write a program to carry out the task. The program should use variables for each of...
Introduction To Programming Using Visual Basic (11th Edition)
T F: The TextBox controls Text property holds the text entered by the user into the TextBox control at runtime.
Starting Out With Visual Basic (8th Edition)
The composite beam is made of steel (A) bonded to brass (B) and has the cross section shown. If it is subjected...
Mechanics of Materials (10th Edition)
3.1 Discuss the differences between an error and a residual.
Elementary Surveying: An Introduction To Geomatics (15th Edition)
The following program segment is designed to find the largest entry in a nonempty list of integers. Is it corre...
Computer Science: An Overview (13th Edition) (What's New in Computer Science)
Ingredient Adjuster A cookie recipe calls for the following ingredients: 1.5 cups of sugar cup of butter 2.75 c...
Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- When a clean glass tube with a diameter of 2 mm is immersed in water at 20 ° C, how many mm will the capillary rise occur in the glass tube? For water at 20 ° C, surface tension is given as 0.073 N / m, density 1000 kg / m3, contact angle 0 ° C and gravitational acceleration 10 m / s2.arrow_forward3. A quart of SAE 30 oil at 68°F weighs about 1.85lb. Calculate the oil's (a)specific weight, (b)mass density and (c)specific gravity. 4. If the modulus of elasticity (E) for water is given to be 2.2GPA, what pressure is required to reduce the volume by 0.6%?arrow_forwardlast three digits of My ID as the weight of the cylinder (754)arrow_forward
- A piece of wood 305 mm wide, 305 mm high and 3 m long, weighing 6288.46 N/m3, is submerged vertically (the longest side is into the paper) in a body of water, its upper end being flushed with the water surface. What vertical force is required to hold it in position in Newtons? Use g = 9.81m/s2 and specific weight of %3D water 9.81kN/m3. Note: Do not include units in your answers. Do not round off intermediate values and answer in four decimal places.arrow_forwardA water column in a glass tube is used to measure the pres sure in a pipe. The tube is 1/2 in. in diameter. How much of the water column is due to surface-tension effects? What would be the surface-tension effects if the tube were 1/8 in. or 1/16 in. in diameter?arrow_forwardA vertical cylindrical continuous decanter is to separate 44 gal/min of a liquid petroleum oil from wash acid. The volume of wash acid is twice the volume of the liquid petroleum oil. The oil is the continuous phase and at the operating temperature has a viscosity of 1.1 mPa.s and a density of 54.6 Ib/ft. The density of the acid is 72 Ib/ft. Compute (a) the volume of the decanter, (b) the liquid levels of the light and heavy liquids in the vessel and (c) the height of the heavy liquid overflow leg where the heavier liquid is discharged in an open atmosphere with a pressure of 750 mmHg. Assume that the ends of the vessel are flat and that the vessel height is twice its diameter. Air space with a pressure of 780 mmHg on top of the lighter liquid is 1/4 the volume of the mixture.arrow_forward
- Good day. I require assistance as this will help in my examination review. (Basic Aerodyn Principles) Consider air having standard sea level density is flowing through a wind tunnel. At the entrance of the wind tunnel, the velocity is 39 m/s. At the throat, the velocity is 174 m/s. Determine the density at the throat if the throat area is 39% of the area at the entrance. Provide answer in standard metric units. Round off the answer to the nearest thousandths. **Would gladly appreciate an explanation. Thank you.arrow_forwardOne end of a capillary tube 10 cm in length and 1 mm in diameter is connected to a water supply which has a pressure of 2 atm. The viscosity coefficient of water is 0.01 poise. How much water does the tube deliver in one second? (1 atm = 106 dynes/cm2)arrow_forward6.A cylindrical buoy 60 cm in diameter and 1.80 m high weighs 2810N. It is moored in salt water (s= 1.03) to a 12.0 m long chain weighing 117.70 N/m. At high tide, their is a protrusion of 84 cm of the top of the buoy surface. What would be the amount of the protrusion if the tide drops by 2.10 m. Specific weight of the chain is 76.42 KN/m^3. A. 90 cm B. 92 cm C. 94 cm D. 96 cmarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University Press
Mechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSON
Thermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEY
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Engineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY
Properties of Fluids: The Basics; Author: Swanson Flo;https://www.youtube.com/watch?v=TgD3nEO1iCA;License: Standard YouTube License, CC-BY
Fluid Mechanics-Lecture-1_Introduction & Basic Concepts; Author: OOkul - UPSC & SSC Exams;https://www.youtube.com/watch?v=6bZodDnmE0o;License: Standard Youtube License