UIUC Physics
Lecture Demonstration
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Demo # 121

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Balancing Bird

 ID # 121

Description:

The bird's center of mass is below its base of support (its feet), so it is stable when perched on a rod.

Picture of Balancing Bird

Physics Concept:

  • Mechanics
  • Rigid Bodies and Static Equilibrium
  • Center of Mass

The demonstration takes about 1 minute to perform.

© Dept. of Physics, Univ. of Illinois at Urbana-Champaign, 1996.