Engineering Mechanics - Statics, Eighth Edition Si Version
8th Edition
ISBN: 9781119044673
Author: Kraige, Bolton Meriam
Publisher: WILEY
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Chapter 1, Problem 8P
Suppose that two nondimensional quantities are exactly
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(200 lb)(0.6 ft)+PABcos30°(0.75 ft)PAB==0184.752 lb
Can you please show all the numbers in this equation so that it would be clear how you get the 184.752 lb in the end.
Q1: Apply appropriate solution method using math principles to prove that "the
pressure at a point in a fluid has the same magnitude in all directions". Support
your answer with sketch.
Answer: Px Pz = Pn P are the mean pressures at the three surfaces in the x- and
z-directions.
Q2: Formulate the issue and identify key variables to prove that [AP = P2 - P, = pg
Az = y, Az], where y, and p are the specific weight and density of the fluid,
respectively. Az is the vertical distance. Support your answer with sketch.
Q3: From fluid mechanics science perspective, define the center of gravity and the
center of pressure.
Q4: Identify the hydrostatic force acting on the top surface of a submerged
rectangular plate by applying principles of engineering for the following cases: 1
tilted plate, (2 vertical plate, and 3 horizontal plate. Support your answer with
sketch.
Q5: By applying principles of fluid mechanics science, define the "rigid-body"
and identify its features.
Q6: Formulate the issue…
the question from thermodynamics
Oxygen (molar mass 32 kg/kmol ) expands reversibly in a cylinder behind a piston at a constant pressure of 3 bar. The volume initially is 0.01 m3 and finally is 0.03 m3; the initial temperature is 18.97 0C. Calculate the mass of oxygen with the correct unit to four decimal places. Assume oxygen to be a perfect gas and take the specific heat at constant pressure as = 0 . 9 1 7 k J / k g K and molar gas constant as = 8,314 J / kmol K
Chapter 1 Solutions
Engineering Mechanics - Statics, Eighth Edition Si Version
Ch. 1 - Determine the angles made by the vector V=36i+15j...Ch. 1 - Determine the magnitude of the vector sum V=V1+V2...Ch. 1 - For the given vectors V1 and V2 of Prob. 1/2,...Ch. 1 - A force is specified by the vector...Ch. 1 - What is the mass in both slugs and kilograms of a...Ch. 1 - From the gravitational law calculate the weight W...Ch. 1 - Determine the weight in newtons of a woman whose...Ch. 1 - Suppose that two nondimensional quantities are...Ch. 1 - Compute the magnitude F of the force which the sun...Ch. 1 - Determine the small gravitational force F which...
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- 42 ll ? 1:59 م ٥,اك.ب/ث، 1. Find the density of an oil filled in the liquid column as shown in figure. Given that absolute pressure at the bottom is 650 kPa, atmosphere pressure is 1.0132 bar. where X=4m; Y = 4m. Z=2m. (Enter only the values in the boxes by referring to the unit given in the bracket. Do not send the hand written answer sheets to my mail) water oil Mercury The density of the oil = (unit in kg/m³) =arrow_forward42 ll l ? 1:59 م ٥,اك.ب/ث، 1. Find the density of an oil filled in the liquid column as shown in figure. Given that absolute pressure at the bottom is 650 kPa, atmosphere pressure is 1.0132 bar. where X=4m; Y = 4m, Z=2m. (Enter only the values in the boxes by referring to the unit given in the bracket. Do not send the hand written answer sheets to my mail) water oil Mercury The density of the oil = (unit in kg/m³) =arrow_forwardAnswer it correctly. show solution step by step with units. Thermodynamics-Processes of Gasesarrow_forward
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