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+%%
+%% A DANTE-Edition example
+%%
+%% Example 36-00-9 on page 772.
+%%
+%% Copyright (C) 2011 Herbert Voss
+%%
+%% It may be distributed and/or modified under the conditions
+%% of the LaTeX Project Public License, either version 1.3
+%% of this license or (at your option) any later version.
+%%
+%% See http://www.latex-project.org/lppl.txt for details.
+%%
+%%
+%% ====
+% Show page(s) 1
+%%
+\documentclass[]{article}
+\pagestyle{empty}
+\setlength\textwidth{375.57637pt}
+\setlength\parindent{0pt}
+
+\usepackage{pstricks,pst-grad,amsmath}
+\SpecialCoor
+\definecolor{braun}{rgb}{0.8, 0.2, 0.4}
+
+\begin{document}
+\psset{unit=0.6}
+\begin{pspicture}(-4.5,-4.75)(5.5,2.5)
+\pscustom[fillstyle=solid,fillcolor=braun]{%
+ \psline(2.3,0.2)(4,0.2)
+ \psarcn(4,0){0.2}{90}{-90}
+ \psline(4,-0.2)(2.3,-0.2)
+}
+\psline(0,2.5)(0.3,2.5)
+\psellipse(0.3,0)(2,2.5)
+\psline(0.3,-2.5)(0,-2.5)
+\psellipse[fillstyle=gradient,gradangle=90,gradbegin=white,gradend=braun](0,0)(2,2.5)
+\pscustom[fillstyle=solid,fillcolor=braun]{%
+ \psline(-4,0.2)(0,0.2)
+ \psarcn(0,0){0.2}{90}{-90}
+ \psline(0,-0.2)(-4,-0.2)
+}
+\psline[linecolor=white,linewidth=0.1]{->}(0,0)(2.5;-90)
+\rput(-0.25,-1.5){\white\Large$\boldsymbol{\vec{r}}$}
+\pscircle[fillstyle=solid](-4,0){0.2}
+\psline[linewidth=0.2]{|-}(-3.5,-3)(-3.5,-0.2)
+\psline[linewidth=0.2]{|-}(3.5,-3)(3.5,-0.2)
+\pscustom[fillstyle=solid,fillcolor=lightgray]{%
+ \psellipticarcn(0,0)(2,2.5){90}{50}
+ \psline(2.25;50)(4.9,-4)(5.2,-4)(2.5;50)
+ \psellipticarc(0.3,0)(2,2.5){50}{90}
+}
+\psline[linewidth=0.2,linecolor=red]{->}(5,-4)(5.65,-5)
+\uput[0](4,-4.5){\Large $\vec{F}$}
+\end{pspicture}
+\end{document}