A member is made of the following materials: steel, brass and copper, the constants are listed below:STEEL:length: 300mmcoeff. of thermal expansion: 12(10^-6)/degree Carea: 200mm^2E= 200 GPaBRASS:L= 200mmA= 450mm^2Coeff of thermal expansion: 21(10^-6)/degree CE= 100 GPaCOPPER:L= 100mmA= 515mm^2Coeff. of thermal expansion: 17(10^-6)/degree CE= 120 GPaRigid supports are located at each end of the member. What is the force exerted on the supports if the temperature increases by 6 degrees C?

Question

A member is made of the following materials: steel, brass and copper, the constants are listed below:
STEEL:
length: 300mm
coeff. of thermal expansion: 12(10^-6)/degree C
area: 200mm^2
E= 200 GPa

BRASS:
L= 200mm
A= 450mm^2
Coeff of thermal expansion: 21(10^-6)/degree C
E= 100 GPa

COPPER:
L= 100mm
A= 515mm^2
Coeff. of thermal expansion: 17(10^-6)/degree C
E= 120 GPa
Rigid supports are located at each end of the member. What is the force exerted on the supports if the temperature increases by 6 degrees C?

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