“G” BY FREE FALL APPARATUS

The “G” by Free Fall Apparatus is designed for the experimental determination of the acceleration due to gravity (g) using the free-fall method. It provides a simple and reliable arrangement for measuring the time taken by a metal sphere to fall through a known distance.

The apparatus consists of two functional units: an electromagnetic solenoid release unit and a gate switch unit. Both units are mounted on adjustable plastic bases that can be clamped securely to a 12 mm diameter retort stand rod.

The solenoid unit holds the metal sphere electromagnetically and releases it promptly when the power to the electromagnet is switched off. At the lower position, the gate switch unit consists of a hinged steel plate held against an adjustable contact by a small magnet. When the falling sphere strikes the plate, it moves promptly and operates the contact, providing the stopping signal to the digital timer.

The supplied digital timer records the time of fall, while the known falling distance is used to calculate the value of g.

Specifications:

• Item: “G” by Free Fall Apparatus
• Experiment: Determination of acceleration due to gravity (g)
• Method: Free-fall method
• Release System: Electromagnetic solenoid
• Detection System: Impact-operated gate switch
• Release Unit: Adjustable plastic mounting base
• Gate Unit: Adjustable plastic mounting base
• Retort Stand Rod: Suitable for approx. 12 mm diameter rod
• Gate Switch: Hinged steel plate with adjustable contact
• Holding Mechanism: Small magnet
• Test Object: Metal spheres
• Timer: Digital electronic timer
• Stand: Retort stand included
• Operation: Electromagnetic release and automatic timing through gate switch
• Application: Determination of g and free-fall experiments
• Suitable For: Schools, colleges, universities and physics laboratories

Educational Use:
The apparatus enables students to determine g experimentally by measuring the known height of fall and corresponding time, providing a practical demonstration of free-fall motion and gravitational acceleration.