diff options
Diffstat (limited to 'content/know/concept/young-dupre-relation/index.pdc')
| -rw-r--r-- | content/know/concept/young-dupre-relation/index.pdc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/content/know/concept/young-dupre-relation/index.pdc b/content/know/concept/young-dupre-relation/index.pdc index d3f36cb..579bd5e 100644 --- a/content/know/concept/young-dupre-relation/index.pdc +++ b/content/know/concept/young-dupre-relation/index.pdc @@ -81,7 +81,7 @@ $$\begin{aligned} = \alpha_{sg} - \alpha_{sl} \end{aligned}$$ -At the edge of the droplet, imagine a small rectangular triangle +At the edge of the droplet, imagine a small right-angled triangle with one side $\dd{x}$ on the $x$-axis, the hypotenuse on $y(x)$ having length $\dd{x} \sqrt{1 + (y')^2}$, and the corner between them being the contact point with angle $\theta$. |