Roughly speaking, you need to know how the Windows desktop sees the two displays. If you have any one of a gazillion different Desktop organizer utilities, you might find that the organizer has pre-mapped the screens to appear to have contiguous screen addresses where screen selection is just a matter of screen coordinate selection.
In that case, it is then a matter of some WINAPI calls to use the HWND property to force placement. BUT... forms are CHILD windows of Access itself, so normally they don't want to appear outside of the Access main window. Now, you surely CAN move the Access window if you can find ITS HWND property. That will be the easiest approach because moving access to a specific place DOES move the form to that place.
On the assumption that you wanted more than that, I did a couple of searches and found two potentially useful articles.
Here is an article that offers an ILLUSION that might be helpful.
If you have ever browsed the Access options and design properties of your database then you will know some of the neat tricks that help to blend your database application into your Windows environment But how to open Microsoft Access database (file) and make it appear to be outside of the...
accessdatabasetutorial.com
Here is an article that also claims to break the bond of the child window from the parent (by diddling with the parent).
I have been trying to get a Microsoft Access for to 'escape' from the main Access window so that I can hide the Access window and just show the form on the desktop so that it can be placed alongside
stackoverflow.com
Again, the difficulty is that child windows REALLY want to stay with their parents. So you have to work at it to achieve this goal.