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Demo # 320

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Phasor Wheel (Round Blackboard with Vectors)

ID # 320

Description:

Magnetic arrows are placed on a round blackboard, which is hung vertically and then spun. This can be used to represent the direction of the instantaneous velocities and accelerations at various points on the circle.

Picture of Phasor Wheel (Round Blackboard with Vectors)

Physics Concept:

  • Mechanics
  • Rotational Dynamics
  • Angular Position, Velocity, Acceleration

The demonstration takes about 1 minute to perform.

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