[Ichneumon]

The laws of gravity are also misundertood by a multitute of people. For example, most people think, in a vacuum, that a big rock will fall faster than a small rock and that both will fall faster than the feather.

And more: Naive Theories of Motion

[Lurking Libertarian]

Naive placemarker.

[WildTurkey]

Fifty-One percent thought the ball would continue on a curved path ...