From the diagram
\displaystyle \begin{align} & \uparrow \ N2-N1-1\textrm{.}8g=0\ \text{gives} \\ & N2=11\textrm{.}76+1\textrm{.}8\times 9\textrm{.}8=29\textrm{.}4\ \text{N} \\ \end{align}
