The user can only define the force display using Joint page.
Figure 1 Fixed property page [Joint page]
•Type: Shows the type of joint.
•Advanced Connection for RFlex Body: If user selects this option, the fixed joint is directly connected two body not using virtual body connection. If there’s no RFlex body (Rigid or FFlex), this option is ignored.
•Force Display: Displays the resultant force vector graphically on Working Window. For more information, click here.