Apparently, feeling powerless affects your perception of your physical strength/ an object’s heaviness.
I found this study interesting particularly for its potential relation to my recent experiences of physical weakness connected to bereavement grief.
Autistic Wordpainter 
It’s incredible how the mind can make us perceive things in a very different way …
I find it suddenly very easy to drop things — I am much clumsier than normal (which is already pretty clumsy)