The given Torsion Pendulum – Bridge Type is a versatile physics laboratory apparatus specially designed for studying torsional oscillations and determining the moment of inertia of different bodies. Its bridge-type construction makes it suitable not only for regular-shaped bodies but also for irregular objects of varying sizes.

The apparatus consists of an inverted U-shaped metal bridge fitted with a split chuck at the center for firm suspension. An aluminum disc of approximately 15 cm diameter is provided, featuring a circular groove on its surface. A smaller iron disc is supplied to fit accurately inside the groove, allowing comparative study of moment of inertia. The design also permits suspension of irregular bodies, including larger objects such as a brick, for experimental analysis.

Supplied with a wall bracket, this apparatus is suitable for schools, colleges, universities, and research laboratories for experiments related to torsion, rotational motion, and moment of inertia.

 Experimental Objectives

To study torsional oscillations using a bridge-type torsion pendulum.
To determine the moment of inertia of regular bodies.
To determine the moment of inertia of irregular bodies.
To understand the relationship between torsional oscillation, time period, and moment of inertia.