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Bifilar Pendulum

Bifilar Pendulum

Product Code : SCL-MH-11927

Quick Answer: The Bifilar Pendulum is a bar hung on two wires from a cast iron base, used to find the moment of inertia of the bar. The distance between the cords can be adjusted, and bars are 300mm - 500mm long.

Last updated: October 2026

Key Features

  • Dual-wire (bifilar) suspension
  • Adjustable distance between the two cords
  • Bar in powder-coated steel or polished brass, 300mm - 500mm long
  • Machined bar with uniform mass distribution
  • Cast iron base

Technical Specifications

SpecificationValue
SuspensionBifilar (two wires), adjustable cord spacing
BarPowder-coated steel or polished brass
Bar length300mm - 500mm
BaseCast iron
HS Code9023.00.00

About This Product

The bar is twisted slightly about its vertical axis and released, and the period of the resulting oscillation is timed. Changing the cord spacing or wire length and repeating the timing lets students calculate the moment of inertia and study rotational motion.

Frequently Asked Questions

Can the spacing of the suspension wires be changed?

Yes. The bifilar suspension has an adjustable distance between the two cords.

Related: Mechanics & Heat, Torsion Pendulum, Compound Pendulum, Steel/ Brass/ Stainless Steel and Kater's Reversible Pendulum.

For a quotation on the Bifilar Pendulum, contact Educational Instrument.

   
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