The assembly consists of two posts AD and CF made of steel and having cross- sectional area of 1000 mm², and an aluminium post BE having a cross-sectional area of 1500 mm². If a central load P is applied to the rigid member ABC, determine the normal stress in each post. Take elastic modulus of steel and aluminium as 200 GPa and 70 GPa, respectively. PkN P [kN] -0.5 m Last digit of Student ID 0, 1, 2, 3, 4 5,6,7,8,9 500 700 e.g. SID=21051234 A D B -0.5 m C 0.4 m Last digit

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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The assembly consists of two posts AD and CF made of steel and having cross-
sectional area of 1000 mm², and an aluminium post BE having a cross-sectional area of
1500 mm². If a central load P is applied to the rigid member ABC, determine the normal
stress in each post. Take elastic modulus of steel and aluminium as 200 GPa and 70 GPa,
respectively.
PKN
P [kN]
-0.5 m-
Last digit of
Student ID
0, 1, 2, 3, 4
5,6,7,8,9
500
700
e.g. SID 21051234
P=700
A
B
-0.5 m
C
0.4 m
F
Fig. 1-1 System with three posts
Last digit
Transcribed Image Text:The assembly consists of two posts AD and CF made of steel and having cross- sectional area of 1000 mm², and an aluminium post BE having a cross-sectional area of 1500 mm². If a central load P is applied to the rigid member ABC, determine the normal stress in each post. Take elastic modulus of steel and aluminium as 200 GPa and 70 GPa, respectively. PKN P [kN] -0.5 m- Last digit of Student ID 0, 1, 2, 3, 4 5,6,7,8,9 500 700 e.g. SID 21051234 P=700 A B -0.5 m C 0.4 m F Fig. 1-1 System with three posts Last digit
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