Pebble stuck in a wheel -traditional view
A pebble is stuck on the rim of a rolling wheel.
One of these graphs shows the height of the pebble as a function of time.
The other graph shows the height of the pebble as a function of position along the road.
Which graph is which? Why do you think so?
[watch an animation by clicking in the lower left hand corner of this window]
What other questions could/would you ask of your students based on this applet?