For Daily Use Physics

Here’s why your wheelie suitcase wobbles

Roller luggage simulation provides physics insights possibly relevant to other vehicles

rolling luggage

ROCKIN’ ROLLER Physicists give the play-by-play of what makes rolling luggage rock back and forth.

Pavel Ilyukhin/Shutterstock

By Maria Temming

- More than 2 years ago

Anyone who’s dragged roller luggage knows it’s liable to fishtail. To most people, this is a nuisance. To a few scientists, it’s a physics problem.