Question: Q 7 ) Three bars each made of different materials are connected together and placed between two walls when the temperature is T 1 =

Q7) Three bars each made of different materials are connected together and placed between two walls when the temperature is T1=15C Determine the force exerted on the (rigid) supports when the temperature becomes T2=20C The material properties and cross-sectional area of each bar are given in the figure.
Steel Brass Copper
Est=200GPa,Ebr=100GPa,Ecu=120GPa
Q 7 ) Three bars each made of different materials

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