partial model doisConectores
  acoplamento a, b;
  Real x, v, F, d;
equation
  x = a.y;
  F = a.f;
  d = a.y - b.y;
  v = der(d);
  a.f + b.f = 0;
  annotation(Diagram(coordinateSystem(extent = {{-148.5, -105}, {148.5, 105}}, preserveAspectRatio = true, initialScale = 0.1, grid = {5, 5})));
end doisConectores;