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> the pivot point of the swing arm is resting on the floor But it isn't. It's suspended from a support by a thin filament. That's the whole point of the expe

by lisper 2y ago

> the pivot point of the swing arm is resting on the floor But it isn't. It's suspended from a support by a thin filament. That's the whole point of the experiment.

layer8 2y ago
It’s suspended from an aluminum ladder standing on the floor.
- lisper 2y ago
  That's true, but the details of the placement of the ladder doesn't matter at all. The only thing that matters is that the ladder doesn't move or wobble around during the experiment.