[单选题]
A copper wire is found to break when subjected to miqemfc)j i8ia y16q2 cphov7*6 nimum tez i-v7v.owv pru)6vs 6kbk9m3 nsion of 36 N. If the wire diameter were half as great, we would expect the wire to break when subje69b)ko3 iupwvszvv6 m7k- r .vcted to a minimum tension of
