Centrifugal Escape – 1D55.00

Broken Ring on Overhead Projector – 1D55.10


  • Place the ring near the edge of the table so that the ball will roll parallel to the edge.
  • Roll a steel ball around the inside of the ring.
  • Hold the ring securely while the ball is rolling around the ring.
  • Have the class vote which way the ball will roll when it reached the gap.

Location: Jacobs B122 – Shelf 286