https://reference.wolfram.com/system-modeler/libraries/Modelica/Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses.html
Modelica: Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses - System Modeler...
Demonstrate line force with two point masses using a JointUPS and alternatively a LineForceWithTwoMasses component
modelicamechanicsmultibodyexampleselementary