Search

3.2: Рівновага
https://ukrayinska.libretexts.org/%D0%86%D0%BD%D0%B6%D0%B5%D0%BD%D0%B5%D1%80%D0%BD%D0%B0/%D0%9C%D0%B0%D1%88%D0%B8%D0%BD%D0%BE%D0%B1%D1%83%D0%B4%D1%83%D0%B2%D0%B0%D0%BD%D0%BD%D1%8F/%D0%9C%D0%B5%D1%85%D0%B0%D0%BD%D1%96%D0%BA%D0%B0_%D0%BC%D0%B0%D1%82%D0%B5%D1%80%D1%96%D0%B0%D0%BB%D1%96%D0%B2_(Roylance)/03%3A_%D0%97%D0%B0%D0%B3%D0%B0%D0%BB%D1%8C%D0%BD%D1%96_%D0%BF%D0%BE%D0%BD%D1%8F%D1%82%D1%82%D1%8F_%D1%81%D1%82%D1%80%D0%B5%D1%81%D1%83_%D1%96_%D0%B4%D0%B5%D1%84%D0%BE%D1%80%D0%BC%D0%B0%D1%86%D1%96%D1%97/3.02%3A_%D0%A0%D1%96%D0%B2%D0%BD%D0%BE%D0%B2%D0%B0%D0%B3%D0%B0
\[\begin{array} {c} {\tfrac{\partial \sigma_x}{\partial x} + \tfrac{\partial \tau_{xy}}{\partial y} + \tfrac{\partial \tau_{xz}}{\partial z} = 0} \\ {\tfrac{\partial \tau_{xy}}{\partial x} + \tfrac{\p... $\begin{array} {c} {\tfrac{\partial \sigma_x}{\partial x} + \tfrac{\partial \tau_{xy}}{\partial y} + \tfrac{\partial \tau_{xz}}{\partial z} = 0} \\ {\tfrac{\partial \tau_{xy}}{\partial x} + \tfrac{\partial \sigma_y}{\partial y} + \tfrac{\partial \tau_{yz}}{\partial z} = 0} \\ {\tfrac{\partial \tau_{xz}}{\partial x} + \tfrac{\partial \tau_{yz}}{\partial y} + \tfrac{\partial \sigma_z}{\partial x} = 0} \end{array}$