Question 2(b) : Three bars each made of different materials are connected together and placed between two walls when the temperature is T . Determine the force exerted on the rigid supports when the temperature becomes bar are given in the figure. T The material properties and cross-sectional area of each Steel Brass Copper Est 200 GPa Epr = 100 GPa 12(10-")/°C abr = 21(10¬")/C acu = 17(10-)/°C Ecu = 120 GPa Take : ast = T = 12 °C Acu = 515 mm² °C |Ast = 200 mm² Abr = 450 mm? T, = 15 297 A = mm A mm 200 mm Solution : mm (+ +)0 = 8p – 8p 0 = 3 (12)(10-)A+ 3 (21)(10 )(0.2)+ 3 (17)(10)(0.1)... AF 0.2F 0.1F 200(10- 200(10°) 450(10 100(10°) 515(10-6 1 20(10°) F = N

Question 2(b) : Three bars each made of different materials are connected together and placed between two walls when the temperature is T . Determine the force exerted on the rigid supports when the temperature becomes bar are given in the figure. T The material properties and cross-sectional area of each Steel Brass Copper Est 200 GPa Epr = 100 GPa 12(10-")/°C abr = 21(10¬")/C acu = 17(10-)/°C Ecu = 120 GPa Take : ast = T = 12 °C Acu = 515 mm² °C |Ast = 200 mm² Abr = 450 mm? T, = 15 297 A = mm A mm 200 mm Solution : mm (+ +)0 = 8p – 8p 0 = 3 (12)(10-)A+ 3 (21)(10 )(0.2)+ 3 (17)(10)(0.1)... AF 0.2F 0.1F 200(10- 200(10°) 450(10 100(10°) 515(10-6 1 20(10°) F = N

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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