Cycloid / Trochoid
Rolling circle traces a cycloid, curtate, or prolate trochoid.
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Cycloid / Trochoid — A point at distance d from the center of a circle of radius r rolling on a line. d = r gives a cycloid.
Rolling circle traces a cycloid, curtate, or prolate trochoid.
Cycloid / Trochoid — A point at distance d from the center of a circle of radius r rolling on a line. d = r gives a cycloid.