...
The
...
centroid
...
of
...
applied
...
forces
...
may
...
be
...
obtained
...
indirectly
...
through
...
...
...
in
...
that
...
base-reaction
...
moment
...
divided
...
by
...
the
...
corresponding
...
base-reaction
...
force
...
will
...
generate
...
the
...
offset
...
between
...
the
...
resultant
...
force
...
and
...
the
...
base-reaction
...
location
...
specified
...
on
...
the
...
Output
...
Options
...
menu.
...