Product Description


  • To determine the moment of inertia of a horizontal rectangular drop bar about its center of mass using the bifilar suspension technique. The bifilar suspension is a technique used to determine the moment of inertia of any type of object about any point on the object.
  • We can find moment of inertia of a given metal of rectangular cross section

It consists of a heavy cast iron rectangular plate of dimensions 15 cm x 10 cm x 15 mm with six holes, two holes on top, two holes on front side and two holes on the thired side of the top.

The plate is suspended by means of two strings of equal length from a rigid support ( i.e. a heavy T shape clamp with two split chuck is provided on the heavy base). when the plate is suspended freely, the two strings will be equally inclined to the horizontal face of the plate. 

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