Applied Statics and Strength of Materials (6th Edition)
6th Edition
ISBN: 9780133840544
Author: George F. Limbrunner, Craig D'Allaird, Leonard Spiegel
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 3.68SP
For the concrete gravity wall shown, determine the magnitude, direction, and sense of the resultant force. Determine where the resultant intersects the base of the wall with respect to point A.
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A crate weighs 530 lb and is hung by three ropes attached to
a steel ring at A such that the top surface is parallel to the
xy plane. Point A is located at a height of h = 42 in above
the top of the crate directly over the geometric center of the
top surface. Use the dimensions given in the table below to
determine the tension in each of the three ropes.
2013 Michael Swanbom
cc00
BY NC SA
↑ Z
C
b
B
У
a
D
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale.
Variable Value
a
30 in
b
43 in
4.5 in
The tension in rope AB is 383
x lb
The tension in rope AC is 156
x lb
The tension in rope AD is 156
x lb
A block of mass m hangs from the end of bar AB that is 7.2
meters long and connected to the wall in the xz plane. The
bar is supported at A by a ball joint such that it carries only a
compressive force along its axis. The bar is supported at end
B by cables BD and BC that connect to the xz plane at
points C and D respectively with coordinates given in the
figure. Cable BD is elastic and can be modeled as a linear
spring with a spring constant k = 400 N/m and unstretched
length of 6.34 meters.
Determine the mass m, the compressive force in beam AB
and the tension force in cable BC.
Z
C
D
(c, 0, d)
(a, 0, b)
A
B
y
f
m
cc 10
BY
NC SA
2016 Eric Davishahl
x
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale.
Variable Value
a
8.1 m
b
3.3 m
с
2.7 m
d
3.9 m
e
2 m
f
5.4 m
The mass of the block is 68.8
The compressive force in bar AB is
364
× kg.
× N.
The tension in cable BC is 393
× N.
Chapter 3 Solutions
Applied Statics and Strength of Materials (6th Edition)
Ch. 3 - through 3.3 Determine the magnitude, direction,...Ch. 3 - Determine the magnitude, direction, and sense of...Ch. 3 - Determine the magnitude, direction, and sense of...Ch. 3 - Solve Problem 3.1 through 3.3 using the method of...Ch. 3 - Solve Problem 3.1 through 3.3 using the method of...Ch. 3 - through 3.6 Solve Problem 3.1 through 3.3 using...Ch. 3 - The 150-lb force shown is the resultant of two...Ch. 3 - Find the resultant force P exerted on the tree.Ch. 3 - Find the resultant force R exerted on the pole.Ch. 3 - Calculate the resultant force on the screw eye....
Ch. 3 - Determine the resultant of the coplanar concurrent...Ch. 3 - Use the parallelogram law to find the following...Ch. 3 - Prob. 3.13PCh. 3 - Determine the resultant of the coplanar concurrent...Ch. 3 - The resultant of the concurrent force system shown...Ch. 3 - Three force of 900 lb, 1000 lb, and 600 lb are...Ch. 3 - The four forces shown hade parallel lines of...Ch. 3 - Three coplanar concurrent forces act as shown. a....Ch. 3 - Four coplanar concurrent forces act as shown a....Ch. 3 - Determine the resultant of the four forces of...Ch. 3 - For the concrete wall and footing shown: a....Ch. 3 - Calculate the moment of the 550-lb force about...Ch. 3 - In Problem 3.22 , calculate the moment about point...Ch. 3 - Compute the moment about point A for the linkage...Ch. 3 - Compute the moment of the force F about point A...Ch. 3 - Determine the magnitude of the resultant of the...Ch. 3 - Determine the magnitude of the resultant of the...Ch. 3 - Determine the magnitude of the resultant of the...Ch. 3 - Determine the magnitude of the resultant of the...Ch. 3 - Determine the resultant and its location for the...Ch. 3 - Compute the magnitude, sense, and location of the...Ch. 3 - Compute the magnitude, sense, and location of the...Ch. 3 - Compute the magnitude and location of the...Ch. 3 - Determine the magnitude and location of the...Ch. 3 - Fresh water is impounded behind a dam to a height...Ch. 3 - Determine the magnitude and location of the...Ch. 3 - Determine the magnitude and location of the...Ch. 3 - Compute the magnitude and direction of the...Ch. 3 - Compute the magnitude and direction of the...Ch. 3 - Compute the magnitude and direction of the...Ch. 3 - A body is subjected to the following three...Ch. 3 - Determine the magnitude, direction, and sense of...Ch. 3 - Determine the magnitude, direction, and sense of...Ch. 3 - Determine the resultant of the load system shown....Ch. 3 - For the concrete structure shown, determine the...Ch. 3 - For the following computer problems, any...Ch. 3 - For the following computer problems, any...Ch. 3 - For the following computer problems, any...Ch. 3 - 3.49 Determine the magnitude, direction, and sense...Ch. 3 - The resultant and one-component force of a...Ch. 3 - The resultant force of a concurrent force system...Ch. 3 - Determine the magnitudes of forces P1 and P2 such...Ch. 3 - The resultant force of a concurrent force system...Ch. 3 - A hockey puck is acted on simultaneously by two...Ch. 3 - Determine the resultant force for each of the...Ch. 3 - Determine the resultant force for each of the...Ch. 3 - The resultant of the three concurrent forces shown...Ch. 3 - The transmission tower shown is subjected to a...Ch. 3 - A gravity-type masonry dam, as shown, depends on...Ch. 3 - The transfomer (as shown) must be lifted...Ch. 3 - Refer to the diagram for Problem 3.60 /. Assume...Ch. 3 - The plastic barrel tent anchor of Problem 2.11...Ch. 3 - Calculate the moment of the forces shown with...Ch. 3 - Determine the magnitude and location of the...Ch. 3 - Determine the moment (about point A) of the appied...Ch. 3 - The lift force on the wing of an aircraft is...Ch. 3 - A beam is subjected to distributed loads as shown....Ch. 3 - For the concrete gravity wall shown, determine the...Ch. 3 - Fresh water is impounded to a height of 8 ft...Ch. 3 - Plank, 2 in. by 10 in. in cross section and 5 ft...Ch. 3 - a. Compute the moment (about point A) of the...Ch. 3 - Determine the resultant of the three forces acting...Ch. 3 - a. Calculate the moments about points A and B due...Ch. 3 - Determine the magnitude of F1 and F2 shown such...Ch. 3 - Calculate the magnitude, direction, and sense of...
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