Bifilar Trifilar Suspension Of Pendulums

Bifilar Trifilar Suspension Of Pendulums

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Product Description

Bifilar Trifilar Suspension Of Pendulums

In a bifilar suspension, the pendulum body is suspended over two threads. The pendulum body oscillates in a plane purely translationally without rotation. This kind of pendulum can be considered as a mathematical pendulum. In a trifilar suspension with three threads, the pendulum body is set in a torsional vibration. The torsional vibration can be used to determine the moment of inertia by experiment.

Learning Objectives And Experiments

  • Influence of thread length on the oscillation period
  • Determine the mass moment of inertia


  • Ideal mathematical pendulum can be demonstrated
  • Moment of inertia in an experiment on a rotary pendulum



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