Question: How do I create translational friction?

I cant figure out how to add friction to my translating block. This is an example of what I was trying I thought I would take the Translational friction component attach it to the current force line being applied (because the direction of motion can be extracted from it) and then attach the friction force line and the original force line to the block im moving. I have tried hooking this up in series and in parrallel (the picture is with the component in parrallel) Here is a picture because this is hard to follow: The problem is that no matter what i do the friction component outputs nothing. I made my own friction component but when I use it the only force the block sees is the frictional force... which makes no sense (when im using the same setup)
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