A steel rod with a 1.50-in. gage length and a 0.155-in. diam…
A steel rod with a 1.50-in. gage length and a 0.155-in. diameter is loaded in tension. At the proportional limit, a load of 660 lb elongates the gage length by 0.0017 in. and reduces the diameter by 0.000055 in. Determine the Poisson’s ratio.