"Rick Cavallaro" wrote in message
...
On Sep 30, 1:31 pm, Clive George wrote:

I've got a little car, with 6 wheels - 4 straddling the belt, 2 on the
belt.

Can I arrange a drive mechanism such that my little car can go faster
than the conveyor belt? (no engines, stored energy, etc, just simple
mechanical connections)

(actually, this is all quite like the various cotton reel problems
covered in 1st year physics)

Spool video:
http://www.youtube.com/watch?v=E7vcQcIaWSQ

Under the ruler faster than the ruler:
http://www.youtube.com/watch?v=k-trDF8Yldc

Equivalence of reference frames:
http://www.youtube.com/watch?v=9Yt4zxYuPzI



What is that supposed to demonstrate?
that if you pull the centre along it goes faster because of the gearing
between the centre and the edge?
that's all it does show.