5. The figure below shows a pole OF, with two arms parallel to the ground, extending toward points A and C, respectively. The pole is supported by two cables, AB, and CD. The magnitudes of the tension forces TAB and TCD are 3.4 kN and 5.6 kN, respectively. Use the vector method of computing moments in this problem. (Hint: you can use your solutions to Homework 2, Question 2 to help simplify this problem.) a. Calculate the resultant moment of these two forces about the origin. b. Find the component of the resultant moment perpendicular to the pole OF. A Im OF 1.2 m TCD L D TAB 1.2 m 60 cm 20 cm 70 cm 1.5 m 28° 1 C 80 cm

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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5. The figure below shows a pole OF, with two arms parallel to the ground, extending toward
points A and C, respectively. The pole is supported by two cables, AB, and CD. The
magnitudes of the tension forces TAB and TCD are 3.4 kN and 5.6 kN, respectively. Use the
vector method of computing moments in this problem. (Hint: you can use your solutions to
Homework 2, Question 2 to help simplify this problem.)
a. Calculate the resultant moment of these two forces about the origin.
b. Find the component of the resultant moment perpendicular to the pole OF.
A
Im I
1.2 m
60 cm
TAB
2
F
20 cm
B
1.2 m
70 cm
1.5 m
TCD
D
28°
i 80 cm
E
Transcribed Image Text:5. The figure below shows a pole OF, with two arms parallel to the ground, extending toward points A and C, respectively. The pole is supported by two cables, AB, and CD. The magnitudes of the tension forces TAB and TCD are 3.4 kN and 5.6 kN, respectively. Use the vector method of computing moments in this problem. (Hint: you can use your solutions to Homework 2, Question 2 to help simplify this problem.) a. Calculate the resultant moment of these two forces about the origin. b. Find the component of the resultant moment perpendicular to the pole OF. A Im I 1.2 m 60 cm TAB 2 F 20 cm B 1.2 m 70 cm 1.5 m TCD D 28° i 80 cm E
Expert Solution
Step 1

Given data:

Pole OF with center O,

Tension force in AB, TAB=3.4 kN

Tension force in CD, TCD=5.6 kN

It is asked to determine the 

1. Resultant moment of these two forces about origin.

2. Component of resultant moment perpendicular to pole OF

 

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