Engineering Mechanics: Statics and Study Pack (13th Edition)
13th Edition
ISBN: 9780133027990
Author: Russell C. Hibbeler
Publisher: Prentice Hall
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Chapter 9.2, Problem 69P
To determine
The location
( x ¯ )
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A bent tube is attached to a wall with brackets as shown. A
force of F = 785 lb is applied to the end of the tube with
direction indicated by the dimensions in the figure.
a.) Determine the moment about point D due to the force F
Enter your answer in Cartesian components with units of ft-
lbs.
b.) Determine the moment about a line (i.e. axis) running
from D to C due to the force F. Enter your answer in
Cartesian components with units of ft-lbs.
2013 Michael Swanbom
x
BY NC SA
g
Z
h
A
с
FK
kaz
Values for dimensions on the figure are given in the table
below. Note the figure may not be to scale. Be sure to align
your cartesian unit vectors with the coordinate axes shown in
the figure.
Variable Value
α
4.84 in
b
13.2 in
с
12.5 in
d
30.8 in
h
18.7 in
22.0 in
→>
a. MD=(
i+
k) ft-
lb
→>
b. MDC =
î +
k) ft-
lb
F1
3
4
5
P
F2
F2
Ꮎ
e
b
200
3
4
5
F1
The electric pole is subject to the forces shown. Force F1
245 N and force F2 = 310 N with an angle 0 = 20.2°.
Determine the moment about point P of all forces. Take
counterclockwise moments to be positive.
=
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale.
Variable Value
a
2.50 m
b
11.3 m
с
13.0 m
The moment about point P is
m.
N-
If the moment about point P sums up to be zero. Determine
the distance c while all other values remained the same.
m.
F
y
b
C
10
Z
Determine the moment about O due to the force F shown,
the magnitude of the force F = 76.0 lbs. Note: Pay attention
to the axis.
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale.
Variable Value
a
1.90 ft
b
2.80 ft
с
2.60 ft
d
2.30 ft
Mo
=
lb
+
k) ft-
Chapter 9 Solutions
Engineering Mechanics: Statics and Study Pack (13th Edition)
Ch. 9.1 - Determine the centroid (x,y) of the shaded area....Ch. 9.1 - Determine the centroid (x,y) of the shaded area....Ch. 9.1 - Determine the centroid of the shaded area. Prob....Ch. 9.1 - Locate the center of mass x of the straight rod if...Ch. 9.1 - Locate the centroid of the homogeneous solid...Ch. 9.1 - Locate the centroid z of the homogeneous solid...Ch. 9.1 - Locate the center of mass of the homogeneous rod...Ch. 9.1 - Prob. 2PCh. 9.1 - Prob. 3PCh. 9.1 - Prob. 4P
Ch. 9.1 - Prob. 5PCh. 9.1 - Locate the centroid of the area.Ch. 9.1 - Prob. 7PCh. 9.1 - Prob. 8PCh. 9.1 - Prob. 9PCh. 9.1 - Locate the centroid of the area. Prob. 9-17Ch. 9.1 - Locate the centroid x of the area. Probs. 9-11/12Ch. 9.1 - Locate the centroid of the area. Probs. 9-11/12Ch. 9.1 - Locate the centroid x of the area. Probs. 9-13/14Ch. 9.1 - Locate the centroid of the area. Probs. 9-13/14Ch. 9.1 - Prob. 15PCh. 9.1 - Prob. 16PCh. 9.1 - Prob. 17PCh. 9.1 - Locate the centroid x of the area. Probs. 9-18/19Ch. 9.1 - Locate the centroid of the area. Probs. 9-18/19Ch. 9.1 - Locate the centroid of the shaded area.Ch. 9.1 - Prob. 21PCh. 9.1 - Prob. 22PCh. 9.1 - Prob. 23PCh. 9.1 - Prob. 24PCh. 9.1 - Determine the location of its center of gravity....Ch. 9.1 - Prob. 26PCh. 9.1 - Prob. 27PCh. 9.1 - Prob. 28PCh. 9.1 - Prob. 29PCh. 9.1 - Prob. 30PCh. 9.1 - Prob. 31PCh. 9.1 - Locate the centroid x of the area. Probs. 9-32/33Ch. 9.1 - Locate the centroid of the area. Probs. 9-32/33Ch. 9.1 - Determine the location of its center of mass. Also...Ch. 9.1 - Prob. 35PCh. 9.1 - Prob. 36PCh. 9.1 - Prob. 37PCh. 9.1 - Prob. 38PCh. 9.1 - Locate the centroid of the paraboloid. Probs....Ch. 9.1 - The material is homogeneous. Prob. 9-39Ch. 9.1 - Prob. 41PCh. 9.1 - Determine the centroid of the solid. Prob. 9-42Ch. 9.1 - Locate the center of gravity z of the solid. Prob....Ch. 9.1 - Locate the centroid of the ellipsoid of...Ch. 9.1 - Prob. 45PCh. 9.1 - Determine its mass and the distance z to the...Ch. 9.1 - Locate the centroid of the quarter-cone. Prob....Ch. 9.1 - Locate the centroid z of the frustum of the...Ch. 9.1 - Prob. 49PCh. 9.1 - Suggestion: Use a triangular plate element...Ch. 9.2 - Locate the centroid (x,y,z) of the wire bent in...Ch. 9.2 - Locate the centroid of the beams cross-sectional...Ch. 9.2 - Locate the centroid of the beams cross-sectional...Ch. 9.2 - Locate the centroid (x,y) of the cross-sectional...Ch. 9.2 - Locate the center of mass (x,y,z) of the...Ch. 9.2 - Determine the center of mass (x,y,z) of the...Ch. 9.2 - If the mass of the gusset plates at the joints and...Ch. 9.2 - Prob. 52PCh. 9.2 - Prob. 53PCh. 9.2 - Neglect the thickness of the material and slight...Ch. 9.2 - Prob. 55PCh. 9.2 - Each plate has a constant width in the z direction...Ch. 9.2 - Prob. 57PCh. 9.2 - Neglect the size of the corner welds at A and B...Ch. 9.2 - Prob. 59PCh. 9.2 - Prob. 60PCh. 9.2 - Prob. 61PCh. 9.2 - Prob. 62PCh. 9.2 - Prob. 63PCh. 9.2 - Prob. 64PCh. 9.2 - Prob. 65PCh. 9.2 - Assume all corners are square and neglect the size...Ch. 9.2 - Prob. 67PCh. 9.2 - Prob. 68PCh. 9.2 - Prob. 69PCh. 9.2 - Prob. 70PCh. 9.2 - Neglect the size of the corner welds at A and B...Ch. 9.2 - Prob. 72PCh. 9.2 - If it is folded over as shown, determine the...Ch. 9.2 - Determine the location (x,y,z) of its centroid....Ch. 9.2 - It the cord is cut, the part will rotate about the...Ch. 9.2 - Prob. 76PCh. 9.2 - The location of the center of gravity of each...Ch. 9.2 - Prob. 78PCh. 9.2 - Prob. 79PCh. 9.2 - Prob. 80PCh. 9.2 - Prob. 81PCh. 9.2 - Determine the distance h to which a...Ch. 9.2 - Determine the distance z to the centroid of the...Ch. 9.2 - Prob. 84PCh. 9.2 - Prob. 85PCh. 9.2 - Prob. 86PCh. 9.2 - Determine the distance x to its center of gravity...Ch. 9.2 - Prob. 88PCh. 9.2 - The cylinder and the cone are made from materials...Ch. 9.3 - Determine the surface area and volume of the solid...Ch. 9.3 - Prob. 14FPCh. 9.3 - Determine the surface area and volume of the solid...Ch. 9.3 - Determine the surface area and volume of the solid...Ch. 9.3 - Prob. 90PCh. 9.3 - Determine the volume of the storage tank. Probs....Ch. 9.3 - Prob. 92PCh. 9.3 - Prob. 93PCh. 9.3 - Prob. 94PCh. 9.3 - Prob. 95PCh. 9.3 - Prob. 96PCh. 9.3 - Prob. 97PCh. 9.3 - Prob. 98PCh. 9.3 - Prob. 99PCh. 9.3 - Prob. 100PCh. 9.3 - Determine the surface area and the volume of the...Ch. 9.3 - Prob. 102PCh. 9.3 - Prob. 103PCh. 9.3 - Each gallon of paint can cover 250 ft2. Probs....Ch. 9.3 - Prob. 105PCh. 9.3 - Prob. 106PCh. 9.3 - Prob. 107PCh. 9.3 - Prob. 108PCh. 9.3 - Prob. 109PCh. 9.3 - Prob. 110PCh. 9.3 - Prob. 111PCh. 9.3 - Prob. 112PCh. 9.3 - Prob. 113PCh. 9.3 - Prob. 114PCh. 9.5 - Water has a density of = 1 Mg/m3. Prob. F9-17Ch. 9.5 - The specific weight of water is = 62.4 lb/ft3.Ch. 9.5 - Water has a density of = 1 Mg/m3. Prob. F9-19Ch. 9.5 - Water has a density of = 1 Mg/m3. Prob. F9-20Ch. 9.5 - The specific weight of water is = 62.4 lb/ft3....Ch. 9.5 - Prob. 115PCh. 9.5 - Prob. 116PCh. 9.5 - The load over the plate varies linearly along the...Ch. 9.5 - The load is defined by the expression p = p0 sin...Ch. 9.5 - Prob. 119PCh. 9.5 - Determine the resultant force the water exerts on...Ch. 9.5 - For the condition of high tide shown, determine...Ch. 9.5 - Prob. 122PCh. 9.5 - Prob. 123PCh. 9.5 - Determine the magnitude of the resultant...Ch. 9.5 - Prob. 125PCh. 9.5 - Prob. 126PCh. 9.5 - The tank is filled with a liquid that has a...Ch. 9.5 - Prob. 128PCh. 9.5 - Prob. 129PCh. 9.5 - Prob. 130PCh. 9.5 - Prob. 131RPCh. 9.5 - Determine the volume of material required to make...Ch. 9.5 - Prob. 133RPCh. 9.5 - Prob. 134RPCh. 9.5 - Determine the magnitude of the resultant...Ch. 9.5 - Prob. 136RPCh. 9.5 - Prob. 137RPCh. 9.5 - Locate the centroid of the rod. Prob. R9-4Ch. 9.5 - Determine the horizontal and vertical components...Ch. 9.5 - Prob. 140RP
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