Definition:Trochoid/Curtate

Definition
Consider a circle $C$ rolling without slipping along a straight line.

Consider a point $P$ on the line of a radius of $C$ at a distance $b$ from the center of $C$. Let $b < a$.

The curve traced out by $P$ is called a curtate trochoid.


 * Curtate-Trochoid.png

Also see

 * Definition:Trochoid
 * Definition:Prolate Trochoid
 * Definition:Cycloid