2. 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 1 exerted on the (rigid) supports when the temperature becomes T2 = 18°C. Material and geometric properties are as shown. (Just set up the equation, you don't need to solve for the final answer) αst= Steel Brass Est = 200 GPa 12(10-6)/°C Ebr = 100 GPa Copper Ecu=120 GPa abr 21(10-6)/°C αcu = 17(10-6) Acu = 515 mm² Ast=200 mm2 Abr = 450 mm² 300 mm- 200 mm- 100 mm

2. 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 1 exerted on the (rigid) supports when the temperature becomes T2 = 18°C. Material and geometric properties are as shown. (Just set up the equation, you don't need to solve for the final answer) αst= Steel Brass Est = 200 GPa 12(10-6)/°C Ebr = 100 GPa Copper Ecu=120 GPa abr 21(10-6)/°C αcu = 17(10-6) Acu = 515 mm² Ast=200 mm2 Abr = 450 mm² 300 mm- 200 mm- 100 mm

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.7.7P: A thin square plate in biaxial stress is subjected to stresses ?? and ??., as shown in part a of the...

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3. Three bars each made of different materials are connected together and placed between two walls when the temperature is T₁ = 12 degrees Celsius. Determine the force exerted on the rigid supports when the temperature becomes T₂ = 70 degrees Celsius. The material properties and cross-sections are given in the figure. Steel Est = 200 GPa Cst = 12(10-6)/°C Ast = 200 mm2 300 mm Brass Ebr = 100 GPa abr=21(106)/°C Abr = 450 mm² Copper Ecu = 120 GPa acu = 17(10-6)/°C 515 mm² Acu 200 mm- 100 mm
2. ! SHOW FULL SOLUTION ! * use THERMAL STRESS AND STRAIN FORMULAS *use DATA GIVEN BELOW
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