Model No:SPH-M040
Determine the acceleration due to gravity using a compound pendulum and locate the centre of oscillation
The Compound Pendulum Apparatus for Determining Acceleration Due to Gravity (g) and Locating the Centre of Oscillation is a physics laboratory instrument designed to demonstrate the principles of rotational motion, oscillations, and the physical pendulum. It enables students to experimentally determine the acceleration due to gravity and investigate the relationship between the centre of suspension and the centre of oscillation of a rigid body.
The apparatus generally consists of a rigid metal bar with multiple suspension holes, a suitable support or knife-edge arrangement, and accessories for measuring the time period of oscillation. By suspending the bar from different points and recording the time taken for a specified number of oscillations, students can calculate the time period and determine the equivalent pendulum length.
The experiment demonstrates how the moment of inertia, centre of gravity, and distance between the suspension point and the centre of gravity affect the oscillation period. It is ideal for undergraduate physics practicals, mechanics laboratories, engineering colleges, universities, and educational institutions.
This compound pendulum experiment provides practical understanding of simple harmonic motion, rotational dynamics, and the relationship between the centre of suspension and centre of oscillation.
Aim : Study the stated oscillatory system and determine the relevant period, frequency, coupling or mechanical parameter.
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