1F20.30 Tablecloth Pull

Concepts

Force required to overcome friction.

Overview

A tablecloth is laid on a table and a place setting is arranged on top. When the tablecloth is pulled quickly, it slides out from beneath the place setting without disturbing it.

Details

Equipment

  • [1] Tablecloth
  • [1] Place setting

Classroom Assembly

  1. Place the tablecloth on a table.
  2. Arrange a place setting on the tablecloth.

Important Notes

  • Practice this demo in advance. Confidence and a smooth, quick motion are required.

Script

  1. Pull the tablecloth slowly. The place setting will move with the table cloth.
  2. Recenter the table cloth and place setting on the table.
  3. Pull the tablecloth out from beneath the place setting in one smooth, quick motion.

 

Additional Resources

References

  • PIRA 1F20.30

Disclaimer

  • Don't attempt this at home!

Last revised

  • 2018

Technicals

Related AV

Related demos

 

If you have any questions about the demos or notes you would like to add to this page, contact Ricky Chu at ricky_chu AT sfu DOT ca.