Why don't people fall out of roller coasters when they go upside down?

Description: Are your kids wondering: Why don't people fall out of roller coasters when they go upside down? This question came from Ethan, a student from the United States. It's answered by Jay Flores, an engineer and one of our new Mystery Guides. Like, share, and vote on the next question here: https://mysterydoug.com/vote Close description