EBK NUMERICAL METHODS FOR ENGINEERS
7th Edition
ISBN: 8220100254147
Author: Chapra
Publisher: MCG
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Chapter 12, Problem 21P
To determine
To calculate: The forces acting on the legs of the tripod if the tripod if the upward force of
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Learning Goal:
To apply the condition of equilibrium to three-
dimensional systems and solve for unknown forces.
Part A - Finding the tension in cable AC
▼
As shown, a mass is being lifted by a strut that is
supported by two cables AC and CD. The dimensions
given are a
d = 3.70 ft, and e = 4.70 ft.(Figure 1)
A weight of 125 lb acts at C on the strut. Find the magnitude of the tension in cable AC.
= 7.30 ft, 6 = 4.70 ft, c = 8.10 ft,
Express your answer to three significant figures and include the appropriate units.
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HẢ
?
ТАС
Value
Units
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Part B - Finding the unknown weight
▼
Figure
1 of 1
What is the weight of an unknown hanging mass when the compressive force
strut BC is 615
Express your answer to three significant figures and include the appropriate units.
• View Available Hint(s)
HẢ
?
E
B
y
W =
Value
Units
a
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Q1. For a 2D truss with 10 nodes, what is the associated total number of Degrees of Freedom?
12. Calculate the internal energy in Btu for 0.45 kg of material if the following information are
given:
P=200psia v=2.8
ft
h=1000
Ibm
Btu
Note:778t-bf= 1Btu
Ihm
Chapter 12 Solutions
EBK NUMERICAL METHODS FOR ENGINEERS
Ch. 12 - Chemical/Bio Engineering
12.1 Perform the same...Ch. 12 - Chemical/Bio Engineering If the input to reactor 3...Ch. 12 - Chemical/Bio Engineering Because the system shown...Ch. 12 - Chemical/Bio Engineering
12.4 Recompute the...Ch. 12 - Chemical/Bio Engineering Solve the same system as...Ch. 12 - Chemical/Bio Engineering
12.6 Figure P12.6 shows...Ch. 12 - Chemical/Bio Engineering
12.7 Employing the same...Ch. 12 - Chemical/Bio Engineering The Lower Colorado River...Ch. 12 - Chemical/Bio Engineering A stage extraction...Ch. 12 - Chemical/Bio Engineering
12.10 An irreversible,...
Ch. 12 - Chemical/Bio Engineering
12.11 A peristaltic pump...Ch. 12 - Chemical/Bio Engineering
12.12 Figure P12.12...Ch. 12 - Civil/Environmental Engineering A civil engineer...Ch. 12 - Civil/Environmental Engineering Perform the same...Ch. 12 - Civil/Environmental Engineering
12.15 Perform the...Ch. 12 - Civil/Environmental Engineering Calculate the...Ch. 12 - Civil/Environmental Engineering In the example for...Ch. 12 - Civil/Environmental Engineering Employing the same...Ch. 12 - Civil/Environmental Engineering Solve for the...Ch. 12 - Prob. 20PCh. 12 - Prob. 21PCh. 12 - Civil/Environmental Engineering
12.22 A truss is...Ch. 12 - Electrical Engineering
12.23 Perform the same...Ch. 12 - Electrical Engineering Perform the same...Ch. 12 - Electrical Engineering
12.25 Solve the circuit in...Ch. 12 - Electrical Engineering
12.26 An electrical...Ch. 12 - Electrical Engineering
12.27 Determine the...Ch. 12 - Electrical Engineering Determine the currents for...Ch. 12 - Electrical Engineering The following system of...Ch. 12 - Electrical Engineering
12.30 The following system...Ch. 12 - Mechanical/Aerospace Engineering Perform the same...Ch. 12 - Mechanical/Aerospace Engineering
12.32 Perform the...Ch. 12 - Mechanical/Aerospace Engineering
12.33 Idealized...Ch. 12 - Mechanical/Aerospace Engineering Three blocks are...Ch. 12 - Mechanical/Aerospace Engineering Perform a...Ch. 12 - Mechanical/Aerospace Engineering Perform the same...Ch. 12 - Mechanical/Aerospace Engineering
12.37 Consider...Ch. 12 - Mechanical/Aerospace Engineering The steady-state...Ch. 12 - Mechanical/Aerospace Engineering
12.40 A rod on a...
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