Three bars each made of different materials are connected together and placed between two walls when the temperature is T1 = 12°C. Determine the force exerted on the (rigid) supports when the temperature becomes T1 = 18°C. The material properties and cross-sectional area of each bar are given in Figure 7. Steel Brass Сopper E = 200 GPa Epr = 100 GPa Ecu = 120 GPa ast = 12(10¬")/C@br= 21(10¬)/°C acu = 17(10-6)/°C Acu = 515 mm² | Ast = 200 mm² Apr = 450 mm² 300 mm- - 200 mm 100 mm
Three bars each made of different materials are connected together and placed between two walls when the temperature is T1 = 12°C. Determine the force exerted on the (rigid) supports when the temperature becomes T1 = 18°C. The material properties and cross-sectional area of each bar are given in Figure 7. Steel Brass Сopper E = 200 GPa Epr = 100 GPa Ecu = 120 GPa ast = 12(10¬")/C@br= 21(10¬)/°C acu = 17(10-6)/°C Acu = 515 mm² | Ast = 200 mm² Apr = 450 mm² 300 mm- - 200 mm 100 mm
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Three bars each made of different materials are connected together and placed between two walls when the temperature is 20 ℃. Determine the force exerted on the (rigid) supports when the temperature becomes 30 ℃. The material properties and cross-sectional area of each bar are given in the figure.
Transcribed Image Text:7. Three bars each made of different materials are connected together and placed between two walls
when the temperature is T1 = 12°C. Determine the force exerted on the (rigid) supports when the
temperature becomes T1 = 18°C. The material properties and cross-sectional area of each bar are
given in Figure 7.
Steel
Brass
Сорper
Es = 200 GPa
12(10¬°)/°C abr =
Epr = 100 GPa
21(10-)/°C acu = 17(10-6)/°C
Ecu
= 120 GPa
ast =
Acu = 515 mm²
A = 200 mm² Apr = 450 mm²
300 mm
-200 mm
100 mm
Figure 7
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