This is based on muddled memories of a highschool physics class, but yes- I'd expect a lot of people to get it wrong, based on the sheer number of my classmates

This is based on muddled memories of a highschool physics class, but yes- I'd expect a lot of people to get it wrong, based on the sheer number of my classmates who persistently got it wrong. My teacher subscribed to a slightly nuts teaching philosophy which involved polling the class repeatedly, so I had a pretty good sense of how hard people found the ideas. Example: literally the other reply to my comment. The notion of an "impeller" to continue uniform motion is Aristotelian, and it seems to coincide with a lot of people's intuition: https://news.ycombinator.com/item?id=14175605 https://news.ycombinator.com/item?id=14175605