[单选题]
A copper wire is foun94op5k8 b jdoc 84tgnod to break when subjected to minimum tension of 36 N.-b;wgqfwtjm .uu8euth 8k 0or 2l395jso8vc . If the wire diameter were half as great, we would expect the wire to brv2uwt;8- 9wrk.j3jsbml 85gouoft ecq80u.h eak when subjected to a minimum tension of
