Definition:Cycloid/Arc

Curve

Consider a cycloid traced by a point $P$ on the circumference of a circle.

An arc of the cycloid is defined as being a part of the cycloid traced out by $P$ between the points where it meets the straight line.

Also known as

Some sources give this as an arch, while others call it a hump.

Also see

• Length of Arc of Cycloid

• Definition:Cusp of Cycloid

Sources

• Weisstein, Eric W. "Cycloid." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Cycloid.html