then find stress produced when the rod is (i) fully prevented to expand

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A rod of length 2 m is at a temperature of 20∘ C. find the free expansion of the rod, if the temperature is increased to 50∘C, then find stress produced when the rod is (i) fully prevented to expand, (ii) permitted to expand by 0.4mm. Y=2×10^11N/m2,α=15×10^−6/∘C.
01
Sep
A rod of length 2 m is at a temperature of 20∘ C. find the free expansion of the rod, if the temperature is increased to 50∘C, then find stress produced when the rod is (i) fully prevented to expand, (ii) permitted to expand by 0.4mm. Y=2×10^11N/m2,α=15×10^−6/∘C. (ii) permitted to expand by 0.4mm. Y=2×10^11N/m2 A [...]
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Tags: (ii) permitted to expand by 0.4mm. Y=2×10^11N/m2 , A rod of length 2 m is at a temperature of 20∘ C. find the free expansion of the rod , if the temperature is increased to 50∘C , then find stress produced when the rod is (i) fully prevented to expand , α=15×10^−6/∘C. ,