The force required to stretch a steel wire of  $1{\mathrm{cm}}^2$ cross-section to 1.1 times its length would be  $(\mathrm{Y}=2\times {10}^{11}{\mathrm{Nm}}^{-2})$ 

• A

  $2\times {10}^6\mathrm{N}$

• B

  $2\times {10}^3\mathrm{N}$

• C

  $2\times {10}^{-6}\mathrm{N}$

• D

  $2\times {10}^{-7}\mathrm{N}$