Torsion Pendulum (5-inch Brass Disc)

BRASS DISC): The one end of suspension wire hangs from the Universal Clamp with the help of a chuck nut and another end of wire is clamped to solid bras disc of 12.5cm dia and 1.25cm thick with the help of chuck nut. A heavy metal ring of the same metal (brass) and the same outside diameter as the disc is included. When ring is placed on the disc, the moment of inertia and therefore the period of vibration of system is increased

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