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4-69. 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 T₂ = 18°C. The material properties and cross-sectional area of each bar are given in the figure. Steel Et = 200 GPa Copper Ecu = 120 GPa Brass Ebr 100 GPa 12(106)/Cabr=21(106)/C-17(106)/C Au-200 mm² Abr-450 mm² Acu = 515 mm²

4-69. 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 T₂ = 18°C. The material properties and cross-sectional area of each bar are given in the figure. Steel Et = 200 GPa Copper Ecu = 120 GPa Brass Ebr 100 GPa 12(106)/Cabr=21(106)/C-17(106)/C Au-200 mm² Abr-450 mm² Acu = 515 mm²

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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4-69. 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 T₂ = 18°C. The material properties and cross-sectional area of each bar are given in the figure. Steel Brass dEst = 200 GPa Ebr = 100 GPa bast=12(10-6)/°C abr 21(106)/C α = = Aut= 200 mm² Abr = 450 mm² pha2kn 300 mm- 4kn -200 mm- Prob. 4-69 Copper Ecu = 120 GPa-44 17(10-6)/°C Acu = 515 mm² 100 mm
Transcribed Image Text:4-69. 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 T₂ = 18°C. The material properties and cross-sectional area of each bar are given in the figure. Steel Brass dEst = 200 GPa Ebr = 100 GPa bast=12(10-6)/°C abr 21(106)/C α = = Aut= 200 mm² Abr = 450 mm² pha2kn 300 mm- 4kn -200 mm- Prob. 4-69 Copper Ecu = 120 GPa-44 17(10-6)/°C Acu = 515 mm² 100 mm
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