Thinking Like an Engineer: An Active Learning Approach (3rd Edition)
3rd Edition
ISBN: 9780133593211
Author: Elizabeth A. Stephan, David R. Bowman, William J. Park, Benjamin L. Sill, Matthew W. Ohland
Publisher: PEARSON
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Chapter 3, Problem 18MDP
To determine
Prove the Archimedes’ law of buoyancy.
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3- Comment on the relationship between the depth of the center of pressure and the depth
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Questions Solutions
for Fluid Mechanics
Bonus question 3:
A cylindrical drum is 2 ft in diameter, 3 ft long,
and weighs 30 lb when empty. Aluminum weights
are to be placed inside the drum to make it
neutrally buoyant in fresh water. What volume of
aluminum (in ft) will be required if it weighs
0.100 lb/in3?
Select the correct answer.
А. 2.15
4.17
В. 3.23
С.3.81
D.
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6,626
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14
The magnitude of the buoyant force is proportional to the volume of fluid displaced by the object.
Select one:
O True
O False
The center of gravity of the floating body and its center of buoyancy must lie on the same vertical axis.
Select one:
O True
O False
An object with a larger density than that of a fluid floats in that fluid.
Select one:
O True
O False
Chapter 3 Solutions
Thinking Like an Engineer: An Active Learning Approach (3rd Edition)
Ch. 3.4 - We often express criteria in terms that are not...Ch. 3 - 1. Prove the law of the lever.Ch. 3 - Demonstrate conservation of energy (potential...Ch. 3 - Determine the coefficient of static and sliding...Ch. 3 - 4. Prove that the angle of incidence is equal to...Ch. 3 - Prob. 5MDPCh. 3 - Prob. 6MDPCh. 3 - Prob. 8MDPCh. 3 - Find the center of gravity of an irregular piece...Ch. 3 - 10. Show that for circular motion, force = mass ...
Ch. 3 - Prob. 11MDPCh. 3 - Measure the effective porosity of a sand sample.Ch. 3 - Prob. 13MDPCh. 3 - 14. Prove Hookes law for a spring.Ch. 3 - Prob. 15MDPCh. 3 - Prob. 16MDPCh. 3 - Prob. 18MDPCh. 3 - Prob. 19MDPCh. 3 - 21. Relate the magnetic strength to the radius.Ch. 3 - Determine the density and specific gravity of a...Ch. 3 - Determine the thickness of a specified coin or a...Ch. 3 - Prob. 26MDPCh. 3 - What is the volumetric flow rate from your shower?
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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
- 17. Calculate the buoyant force on a 0.25 kg iron anchor that is submerged in plain water. Its dimensions are 0.2m by 0.15m by 0.2396m.arrow_forwardThe buoyant force on a body is equal to weight of the displaced fluid and acts vertically upward. TRUE FALSEarrow_forwardDerived the general formula of Capillary Pressure.arrow_forward
- Define hydrostatic pressure. Describe and explain a situation where hydrostatic pressure is an important consideration in the design or operation of an object.arrow_forward10. A piece of unknown material has an intricate shape and weighs 126g in free air and 83g when submerged into water. What is the relative density of the piece? a. 3.3243 b. 2.9302 c. 3.5143 d. 3.3158arrow_forwardProblem 2: A 20 cm^3 cylindrical object has a density of 0.876 g/ml. When placed in a container of water, how much of its volume will be submerged under water?arrow_forward
- The object shown below is stable and floating in the water. Please select the correct option for the buoyant force in Figure (b)__________arrow_forwardState Pascal’s principle and give one application of the principle. An object is dropped into a beaker of water. Two forces are operating on the object viz. the weight of object and the buoyant force FB due to the fluid. Explain, in terms of the forces when the object. a.) Sinks to the bottom of the beaker b.)Floats in the water A hydraulic press for compacting powdered samples has a large cylinder with a diameter of 10.0 cm and a small cylinder of diameter 2.0 cm. If a force of 350 N is applied to the small cylinder, what will be the force exerted by the fluid on the large cylinder? Be consistent with your units.arrow_forwardDerive an expression for the centre of pressure for a plane immersed in water and inclined by an angle θ to the free surface of waterarrow_forward
- Convert 2.5 bar pressure in equivalent column of mercury and water.arrow_forward1. Compare the volume of the block of wood and water that overflowed from the can when the wood was submerged in it. Explain any observed differences/similarities. What can you infer from this finding? 2. Compare the volume of the clay cylinder and water that overflowed from the can when the clay cylinder was submerged in it. Explain any observed differences/similarities. What can you infer from this finding? 3. Compare the weight of the wood and buoyant force exerted on it. Explain any observed similarities/differences. What can you infer from this finding?arrow_forwardBuoyance is an upward force exerted by a fluid that opposes the weight of a partially or fully immersed object. The upward buoyant force is calculated via the following equation: Ff = PfgV V is the volume of displaced fluid (object), pf is the density of the fluid, and F, is the buoyant force.arrow_forward
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