Aut cum scuto aut in scuto
It’s physics from r/nextfuckinglevel
Okay, skeptical me wonders if the match on edge of table is secured to table prior to hammer being put on top of it. I just saw the match already on table and weight applied.
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You can see the match move right as he's putting the hammer on it.What's happening is leverage,When you put the last match in, it supports the match head and won't let it tip down......... so it stays level with the table top.
Cantilever - pretty basic application of one of the first known tools.