diff --git a/uni/mmme/2053_mechanics_of_solids/strain_energy.md b/uni/mmme/2053_mechanics_of_solids/strain_energy.md index 7f1ebb3..cdb74c8 100755 --- a/uni/mmme/2053_mechanics_of_solids/strain_energy.md +++ b/uni/mmme/2053_mechanics_of_solids/strain_energy.md @@ -50,7 +50,7 @@ Eliminating $R$ from the above two equations and rearranging gives $$\delta \Phi = \frac{M}{EI}\delta s$$ -This can be substituted into equation \label{eqn:bendingeqn1} (left and middle) to get +This can be substituted into equation \ref{eqn:bendingeqn1} (left and middle) to get $$\delta U = \frac{M^2}{2EI}\delta s$$