The user can create a force entity as follows.
•Point
•Point: Selects a point on two bodies to define the location of bushing force.
•Body, Body, Point
•Body: Selects a base body of bushing force.
•Body: Selects an action body of bushing force.
•Point: Selects a point to define the location of bushing force.
•Body, Body, Point, Direction
•Body: Selects a base body of bushing force.
•Body: Selects an action body of bushing force.
•Point: Selects a point to define the location of bushing force.
•Direction: Defines the direction of z-axis for two markers.