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