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Physics, Astronomy & Cosmology / Frictionless Cogs
« on: 24/08/2020 02:15:51 »
I've had this question floating around in my head ever since one of my favorite YouTubers said this weird thing: "If you fell off a 30 story building and landed on a solid concrete FRICTIONLESS floor, could you ever actually touch it? if you can't touch it, would you actually die? Just ignore the fact the dynamic forces exist hahaha" I think it was a joke? whatever it was it made me think, everything in our life that has to do with mechanics uses friction to operate; including cogs in a clock.
Now here's the question: if you pinned two 100% frictionless cogs parallel to each other and on the same plane, tight enough so the cant move in any of the 6 axes, and close enough so that the cogs intertwine, would one move the other if you somehow made it spin? If one would move the other, WHY???
Now here's the question: if you pinned two 100% frictionless cogs parallel to each other and on the same plane, tight enough so the cant move in any of the 6 axes, and close enough so that the cogs intertwine, would one move the other if you somehow made it spin? If one would move the other, WHY???