Which of the following materials is likely to have the highest Young's modulus?
Rubber
Plastic
Steel
Sponge
Related Questions
When the tension in a metal wire is T1,its length is l1{T_1},{\rm{its}}\,\,{\rm{length}}\,\,{\rm{is}}{\mkern 1mu} {\mkern 1mu} \,\,{l_1}T1,itslengthisl1. When the tension is T2{T_2}T2 its length is l2{l_2}l2. The natural length of wire is
T2T1(l1+l2)\frac{{{T_2}}}{{{T_1}}}\left( {{l_1} + {l_2}} \right)T1T2(l1+l2)
T1l1+T2l2{T_1}{l_1} + {T_2}{l_2}T1l1+T2l2
l1T2−l2T1T2−T1\frac{{{l_1}{T_2} - {l_2}{T_1}}}{{{T_2} - {T_1}}}T2−T1l1T2−l2T1
l1T2+l2T1T2+T1\frac{{{l_1}{T_2} + {l_2}{T_1}}}{{{T_2} + {T_1}}}T2+T1l1T2+l2T1
