Physics, asked by riyaangel, 1 year ago

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

Answers

Answered by pankaj12je
25
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 .....
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