Natural Vibrations - 2
The Fundamental Mode
Imagine you could push a building sideways at its top and
then let go so that it swayed naturally. The number of times
it swayed to
and fro every second would be the fundamental frequency
of vibration of the building.
If you repeated the experiment, but pushed the building a
little harder or lighter, the fundamental
frequency would stay the same.
The building distorts in a particular way when it vibrates
at this frequency. The shape it takes up is called the fundamental