<span>normal stress, shear stress, bulk stress, normal </span>strain<span>, shear </span>strain<span>, bulk </span>strain, ... The symbol for stress is often the Greek letter "sigma"<span> Stress </span>has<span> the units of force over </span>area<span> i.e. N/m</span>2<span> which is given the special name Pascal. ... 5.7. </span>0.4<span>. polystyrene. 3.8. 1.0. 4.7. </span>0.4<span>. polyethylene. 0.14. </span>0.05<span>. 0.35. </span>0.4<span> ...</span>
