Recent content by bklynrob

Adrian, thanks. I'm sure I worded my question poorly. Here's another try: there are certain folding knives (knives with blades that fold into the handle via a pivot on one end) which have a blade that is loose enough that, when you hold the handle and flick your wrist, the blade will snap out...

If I flick open a folding knife with a flick of my wrist, what force is that? Is it centrifugal force, centripetal force, or some other force?