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A metal rod of length 'L' and cross-se...

A metal rod of length 'L' and cross-sectional area 'A' is heated through `'T'^(@)C` What is the force required to prevent the expansion of the rod lengthwise ?

A

`(YAalphaT)/(1-alphaT)`

B

`(YAalphaT)/(1+alphaT)`

C

`(1-alphaT)/(YAalphaT)`

D

`((1+alphaT))/(YAalphaT)`

Text Solution

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The correct Answer is:
B
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