A metal rod of length L radius r .Youngs modulus of elasticity Y and coefficient of linear expansion is alpha .is clamped between two rigid support if heated by T c .the force exerted by bar on support is
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Hey there !!!
coefficient of linear expansion is given by α=L/lΔT
But thermal strain = L/l =αΔT
⇒ thermal stress=YαΔT
Force= Stress*area
So, force applied is F=YAαΔT
HOPE THIS HELPED YOU .....
coefficient of linear expansion is given by α=L/lΔT
But thermal strain = L/l =αΔT
⇒ thermal stress=YαΔT
Force= Stress*area
So, force applied is F=YAαΔT
HOPE THIS HELPED YOU .....
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