My mother told me that ceiling fans where used to hold up the ceiling. Being a somewhat smart kid at five years old I knew how propellers worked so this seemed possible to me. (but what happens if someone turns them off by accident?)
A childhood belief about physics

others believed things like this
- My brother used to believe that ceiling fans were helicopters flipped upsidedown and stuck in the ceiling.— Seven
- i used to believe that smart people were smart because they drank a lot of teaAnon
- I fully believed, up until about 6 years old, that the word 'accident' was a noun that meant 'burnt toast'.— Karl Goetz
- My freinds mother said that if you hold a cat without supporting its bottom, that its insides would fall out.— Jessie
- I used to believe that Elvis died when he was trampled by fans.— Aretia
- my mother told me if i ever swallowed chewing gum i'd turn into a pig, i believed this for many years.— stuart hayward