Commit 18b613a8 authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent 01e05764
Pipeline #13202 canceled with stage
......@@ -469,15 +469,32 @@ $`\color{brown}{\large{\mathbf{\mathcal{E}^{cin}=\dfrac{m\,\mathscr{v}^2}{2}}}}\
évaluée sur une portion de *trajectoire d'extrémités $`A`$ et $`B`$* s'écrit :
<br>
$`\begin{align}
\color{brown}{\large{\mathbf{\displaystyle\int_A^B\overrightarrow{F}\cdot\overrightarrow{dl}}}} & =\int_A^B d\left(\dfrac{m\,\mathscr{v}^2}{2}\right)=\int_A^B d\mathcal{E}^{cin}\\
\color{brown}{\large{\mathbf{\displaystyle\int_A^B\overrightarrow{F}\cdot\overrightarrow{dl}}}} & =\int_A^B d\left(\dfrac{m\,\mathscr{v}^2}{2}\right)\\
& \;=\int_A^B d\mathcal{E}^{cin}\\
& \color{brown}{\large{\mathbf{\;=\mathcal{E}^{cin}(B)-\mathcal{E}^{cin}(A)}}}\\
& \color{blue}{\large{\mathbf{\overset{\scriptsize{B}}{\underset{\scriptsize{A}}{\Large{\Delta}}}(\mathcal{E}^{cin})}}\\
\end{align}`$
<br>
$`\begin{align}
\color{brown}{\large{\mathbf{\displaystyle\int_A^B\overrightarrow{F}\cdot\overrightarrow{dl}}}} & =\int_A^B d\left(\dfrac{m\,\mathscr{v}^2}{2}\right)\\
& \;=\int_A^B d\mathcal{E}^{cin}\\
\\
& \color{brown}{\large{\mathbf{\;=\mathcal{E}^{cin}(B)-\mathcal{E}^{cin}(A)}}}\\
\\
& \color{blue}{\large{\mathbf{\overset{\scriptsize{B}}{\underset{\scriptsize{A}}{\Large{\Delta}}}(\mathcal{E}^{cin})}}\\
\end{align}`$
<br>
$`\begin{align}
\color{brown}{\large{\mathbf{\displaystyle\int_A^B\overrightarrow{F}\cdot\overrightarrow{dl}}}} & =\int_A^B d\left(\dfrac{m\,\mathscr{v}^2}{2}\right)\\
& \;=\int_A^B d\mathcal{E}^{cin}\\
& \\
& \color{brown}{\large{\mathbf{\;=\mathcal{E}^{cin}(B)-\mathcal{E}^{cin}(A)}}}\\
& \\
& \color{blue}{\large{\mathbf{\overset{\scriptsize{B}}{\underset{\scriptsize{A}}{\Large{\Delta}}}(\mathcal{E}^{cin})}}\\
\end{align}`$
<br>
!!!!! *Notation* : la *différence de valeur* d'une grandeur physique $`\mathscr{f}`$
!!!!! *entre un point initial $`A`$ et un point final $`B`$* s'écrit :
!!!!! $`\overset{\scriptsize{B}}{\underset{\scriptsize{A}}{\Large{\Delta}}}(\mathscr{f})=\mathscr{f}(B)-\mathscr{f}(A)`$
!!!!! *Notation* : la *différence de valeur* d'une grandeur physique $`\mathcal{f}`$
!!!!! *entre un point initial $`A`$ et un point final $`B`$* s'écrit :
......
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