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A steel rod has a radius of 10mm and a l...

A steel rod has a radius of 10mm and a length of 1.0m A 100KN force stretches its along its length.Calculate the elongation of the steel rod.

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r=`10xx10^-3m, L=1m, F=100xx10^3N, Y=2xx10^11Nm^-3, deltaL=? Y=FL//pir^2deltaL, deltaL=FL//pir^2Y=100xx10^3xx1//3.14xx(10xx10^-3)^2xx10^11 =1.59xx10^-3m`
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