added to ls() output

panda/src/physics/forceNode.cxx

@@ -117,7 +117,8 @@ remove_force(int index) {
 void ForceNode::
 output(ostream &out) const {
   #ifndef NDEBUG //[
-  out<<"ForceNode";
+  PandaNode::output(out);
+  out<<" ("<<_forces.size()<<" forces)";
   #endif //] NDEBUG
 }