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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Hi friend,
coefficient of linear expansion is given by α=L/lΔθ so thermal strain =l/L=αΔθ
⇒ thermal stress=YαΔθ so force applied is F=YAαΔθ.
coefficient of linear expansion is given by α=L/lΔθ so thermal strain =l/L=αΔθ
⇒ thermal stress=YαΔθ so force applied is F=YAαΔθ.
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