Next, we apply the forces to the ends of the handles. Use surface forces, which will distribute the load over the area at the end of the handle.
Navigate
Enclose (Fit All). This command is also available from the Navigation Bar.
Selection
Shape
Point or Rectangle and
Select
Surfaces commands active, click and drag to draw a selection rectangle around the end of the upper handle, as shown below. 
Setup
Loads
Force. One surface was selected at the end of the handle, as indicated in the title bar of the dialog.
Setup
Loads
Force.