curprev23:0223:02, 6 November 2011 Machine Elf 1735talkcontribs 8,458 bytes−170 →On violent motion: internalized? internal force is exactly how he described inertia, it's impetus that he had to move beyond, & he says it wasn't entirely unknown to Aristotelian physics/ ironically, such natural motions are not, in fact, forcedundo