digraph G {
"Composition:\nfig" -> "Composition:\nbody";
"Composition:\nbody" -> "Composition:\nwheel";
"Composition:\nwheel" -> "Circle:\nouter";
"Circle:\nouter" -> "Curve:\narc (1)";
"Composition:\nwheel" -> "Circle:\ninner";
"Circle:\ninner" -> "Curve:\narc (2)";
"Composition:\nbody" -> "Force:\nN";
"Force:\nN" -> "Line:\narrow (1)";
"Line:\narrow (1)" -> "Curve:\nline (1)";
"Force:\nN" -> "Text:\ntext (1)";
"Composition:\nbody" -> "Gravity:\nmg";
"Gravity:\nmg" -> "Line:\narrow (2)";
"Line:\narrow (2)" -> "Curve:\nline (2)";
"Gravity:\nmg" -> "Text:\ntext (2)";
"Composition:\nfig" -> "Composition:\nfixed elements";
"Composition:\nfixed elements" -> "Arc_wText:\nangle";
"Arc_wText:\nangle" -> "Arc:\narc";
"Arc:\narc" -> "Curve:\narc (3)";
"Arc_wText:\nangle" -> "Text:\ntext (3)";
"Composition:\nfixed elements" -> "Wall:\ninclined wall";
"Wall:\ninclined wall" -> "Curve:\nwall";
"Composition:\nfixed elements" -> "Line:\nground";
"Line:\nground" -> "Curve:\nline (3)";
"Composition:\nfixed elements" -> "Line:\nx start";
"Line:\nx start" -> "Curve:\nline (4)";
"Composition:\nfixed elements" -> "Axis:\nx axis";
"Axis:\nx axis" -> "Arrow3:\narrow";
"Arrow3:\narrow" -> "Line:\nline";
"Line:\nline" -> "Curve:\nline (5)";
"Arrow3:\narrow" -> "Line:\nhead left";
"Line:\nhead left" -> "Curve:\nline (6)";
"Arrow3:\narrow" -> "Line:\nhead right";
"Line:\nhead right" -> "Curve:\nline (7)";
"Axis:\nx axis" -> "Text:\nlabel";
}