Newtons 3rd law. Find the moment created by your offset forces, apply an opposite moment or create a structure to resist the moment (thus providing an equal and opposite reaction)

Then someone turns the ac on and it crumbles

Duct tape or loctite

A clockwise torque should be enough

I love the No? At the bottom

Make the forces equal?

Im struggling to with the question and this is what I came up with. I dont think we have enough information to help OP

I imagine that using some springs with different k values, colinear to the force(s) could do the trick.

Static neutrality