model forcaMassa forcaPeso P1(m = 1.0); massa m1(m = 1.0); equation connect(P1.a, m1.a); annotation(Diagram(coordinateSystem(extent = {{-148.5, -105}, {148.5, 105}}, preserveAspectRatio = true, initialScale = 0.1, grid = {5, 5}))); end forcaMassa;