model MKC_plano_SI "Sistema massa-mola-amortecedor plano em unidades do SI"
  constant Modelica.SIunits.Acceleration g = Modelica.Constants.g_n;
  parameter Modelica.SIunits.Mass m = 0.2;
  parameter Modelica.SIunits.TranslationalSpringConstant k = 10000.0;
  parameter Modelica.SIunits.TranslationalDampingConstant c = 10.0;
  Modelica.SIunits.Position y(start = 0.0);
  Modelica.SIunits.Velocity v(start = 0.0);
  Modelica.SIunits.Acceleration a;
  Modelica.SIunits.Force P, Fd, Fk;
equation
  m * a = P - Fd - Fk;
  der(v) = a;
  der(y) = v;
  P = m * g;
  Fk = k * y;
  Fd = c * v;
  annotation(experiment(StopTime = 0.2), Diagram(coordinateSystem(extent = {{-148.5, -105}, {148.5, 105}}, preserveAspectRatio = true, initialScale = 0.1, grid = {5, 5})));
end MKC_plano_SI;