The user can create a force entity as follows.
•Point, Point
•Point: Selects a point on a base body. This point defines a location on which the reaction force is applied.
•Point: Selects a point on an action body. This point defines a location on which the action force is applied.
•Body, Body, Point, Point
•Body: Selects a base body of matrix force.
•Body: Selects an action body of matrix force.
•Point: Selects a point on a base body. This point defines a location on which the reaction force is applied.
•Point: Selects a point on an action body. This point defines a location on which the action force is applied.