Limerick: The Unit Vector
A limerick about a vector named u that assumed it had length one, but its magnitude was two.
Use this cartoon
Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2017-03-15-limericks-for-mathematicians--limerick-the-unit-vector/ (CC BY-NC 4.0)Transcript
"There once was a vector named u / who just didn't know what to do: / by its name you'd assume it / had length of one unit / but its magnitude equaled to two." Vector: "I'm… not a unit vector? My whole life is a lie!"