 | Peter Schwamb, Allyne Litchfield Merrill - 1905 - 318 páginas
...directrix or base line; either line may be straight, or both may be curved. 1° The Cycloid. — This curve is traced by a point in the circumference of a circle which rolls upon a straight line as a directrix, as the curve oa2a3 (Fig. 280) traced by the point a in the circumference... | |
 | United States. Department of the Army - 1972 - 234 páginas
...this angle is the required tangent. 6-76. Drawing a Cycloid a. A cycloid is generated by a point on the circumference of a circle which rolls along a straight . line. The circumference of a circle is divided into % 8 equal parts with each radius numbered (a, fig. 6-76).... | |
| |
It is the curve which is traced by a point in the circumference of a circle which rolls along a straight line. The... 
