The Use of Staff for Lever Practice

by Practical Method on 2010/04/24

Three aspects are important.

  1. The stick/staff must be strong. If it bends, it can not bend in a way that energy stops.
  2. There must be a pivoting point. The pivoting point must not move.
  3. The level should be longer than the load.


http://www.youtube.com/watch?v=j3ypUn3nm7A

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