Equipment: A meter stick, a 200 gram weight, a plexiglas cylinder and a cork covered piece of wood. Optional: an 8 foot length of 2" x 2" and a 1 kg weight. What it does: A meter stick is supported on ...

A metre stick is supported on the two forefingers. The fingers are moved slowly together and end up at the centre-of-gravity of the stick. A metre stick is supported horizontally on two fingers ...