Bifilar Trifilar Suspension of Pendulums Apparatus (SMT-TM-16)

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Investigation of the vibration behaviour of various
pendulum bodies in Bifilar and trifilar suspension.
Investigation of a mathematical pendulum (Bifilar) and a
physical pendulum (Trifilar).
Choice of three pendulum bodies: Beam, cylinder, circular ring.
Change the thread length with a Clamping device.
Stopwatch to measure the oscillation Period.
Determine the mass moment of inertia.
Bracket for wall mounting.
Technical Specifications:

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In a bifilar suspension, the pendulum body is suspended over two threads. The pendulum
body oscillates in a plane purely transnationally without rotation. This kind of pendulum can
be considered as a mathematical pendulum. In a trifler 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. A beam, a cylinder or a circular ring are used
as pendulum bodies. The length of the threads can be adjusted using clamping devices. The
moments of inertia of the pendulum body can be calculated from the measured oscillation
period. The oscillation period can be varied by changing the thread length.
The experimental unit is designed to be fixed to a wall.