The internal force and nature of member GF a. 7,040 lbs compression b. 7,040 lbs tension c. 4,040 lbs compression d. 4,040 lbs tension   The left and right part of the truss are symmetrical. All members at the left and at the right have the same internal force and nature except   a. Member DE b. Member EF c. Member FG   Based on the simple stress relationship, what is the cross-sectional area of member AB if the allowable compressive stress is  130 lbs./in^2? a. 53.85 in^2 b. 63.73 in^2 c. 73.73 in^2 d. 83.83 in^2

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter6: Fundamental Dimensions And Units
Section: Chapter Questions
Problem 36P
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The internal force and nature of member GF

a. 7,040 lbs compression
b. 7,040 lbs tension
c. 4,040 lbs compression
d. 4,040 lbs tension
 
The left and right part of the truss are symmetrical. All members at the left and at the right have the same internal force and nature except
 
a. Member DE
b. Member EF
c. Member FG
 
Based on the simple stress relationship, what is the cross-sectional area of member AB if the allowable compressive stress is  130 lbs./in^2?
a. 53.85 in^2
b. 63.73 in^2
c. 73.73 in^2
d. 83.83 in^2
500 lb
30°
1000 lb
B
60
1000 lb
60°
2000 lb
60%
1000 lb
60°
F
2000 lb
30⁰
500 lb
E
Transcribed Image Text:500 lb 30° 1000 lb B 60 1000 lb 60° 2000 lb 60% 1000 lb 60° F 2000 lb 30⁰ 500 lb E
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