One Pendulum…
Is interesting, but…
Two Pendulums…
Are much more interesting.
But only if they are coupled pendulums.
An Easy Way Is To…
Couple them at their pivot points. This is accomplished by hanging the two pendulums from a horizontal string.
There Are…
Many illustrations of coupled pendulums on the web; search for ‘coupled pendulums’ – but the fine points of making a really successful demo are rarely discussed… so before we start: Read the rest of this entry »