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OpenStudy (samigupta8):
Structural steel rod has a radius of 10mm and length of 1m.A 100kN force stretches it along its length. Young's modulus of structural steel is 2*10^11 N/m^2.Ths percentage strain is about:
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OpenStudy (samigupta8):
I just wanna know the area on which force is acting...
OpenStudy (samigupta8):
@hartnn
hartnn (hartnn):
i think lateral surface area of that rod(cylinder) = 2pi rh
OpenStudy (samigupta8):
The ans is not matching... Infact even there is no option as that
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