Исходники иллюстрации

\documentclass[tikz]{standalone}\input{pre.tex}\begin{document}\begin{tikzpicture}[scale=0.75]
        \coordinate (0) at (0,0);
        \coordinate (I) at (-10,0);
        \coordinate (A) at (2.179,4.5);
        \coordinate (II) at (5,0);

        \draw[fill=magenta] (I) circle(2pt)
                            (II) circle(2pt)
                            (A) circle(2pt)
                            (0) circle(2pt);

        \draw[force,-{Latex[length=3mm,width=2mm]}] 
            (I) -- 
        node[midway,fill=white!20, opacity=0.9] 
            {$\vec{p}_{1-\text{нов}}$}
            (A);

        \draw[force,-{Latex[length=3mm,width=2mm]}] 
            (I) -- 
        node[midway,fill=white!20, opacity=0.9] 
            {$m_1\vec{v}_c$}
            (0);

        \draw[force,-{Latex[length=3mm,width=2mm]}] 
            (0) -- 
        node[midway,fill=white!20, opacity=0.9] 
            {$m_2\vec{v}_c$}
            (II);

        \draw[force,-{Latex[length=3mm,width=2mm]}] 
            (0) -- 
        % node[midway,fill=white!20, opacity=0.9] 
        %   {$$}
            (A);

        \draw[force,-{Latex[length=3mm,width=2mm]}] 
            (A) -- 
        node[midway,fill=white!20, opacity=0.9] 
            {$\vec{p}_{1-\text{нов}}^{\,*},\vec{p}_{2-\text{нов}}^{\,*}$}
            (0);

        \draw[force,-{Latex[length=3mm,width=2mm]}] 
            (A) -- 
        node[midway,fill=white!20, opacity=0.9] 
            {$\vec{p}_{2-\text{нов}}$}
            (II);

        \draw[axis] (0)++(5,0) arc (0:180:5);
    
\end{tikzpicture}\end{document}