Chapter 7: Problem 897
How much force is required to produce an increase of \(0.2 \%\) in the length of a broses wire of diameter \(0.6 \mathrm{~mm}\) (Young's modulus for brass $=0.9 \times 10^{11}\left(\mathrm{~N} / \mathrm{m}^{2}\right)$ (A) Nearly \(17 \mathrm{~N}\) (B) Nearly \(34 \mathrm{~N}\) (C) Nearly \(51 \mathrm{~N}\) (D) Nearly \(68 \mathrm{~N}\)