x,{\rm F}} \sin \left( \psi + \delta_{\rm F} \right) + F_{y,{\rm F}} \cos \left( \psi + \delta_{\rm F} \right) \right] {\bf j} \label{eq:forcefront} \\
%     {\bf F}_{\rm R} &=& \left[ F_{x,{\rm R}} \cos \left( \psi + \delta_{\rm R} \right) - F_{y,{\rm R}} \sin \left( \psi + \delta_{\rm R} \right) \right] {\bf i} + \left[ F_{x,{\rm R}} \sin \left( \psi + \delta_{\rm R} \right) + F_{y,{\rm R}} \cos \left( \psi + \delta_{\rm R} \right) \right] {\bf j}. \label{eq:forcerear} 
%     \end{eqnarray}
% </p>
% </htm