School of Physics Lecture Demonstration Manual

Mj-5 Interatomic Force Model

Published: Thursday 09 March 2006 - Updated: Thursday 24 March 2011

Aim

To demonstrate a model that illustrates the interatomic force.

Apparatus

Diagrams

Click on pictures to enlarge.

Interatomic Forces

Interatomic Force Diagram

Videos

Interatomic Forces

Description

The air track is inclined at a small angle and a compression spring attached to one end of the track. A glider placed on the air track experiences the gravitational force of attraction at large distances of separation and a strong repulsive force when in close proximity to the atom (binding post).

Safety notes

Electrical safety 

Maintenance 

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