 | Wallace Alvin Wilson, Joshua Irving Tracey - Geometry, Analytic - 1915 - 236 pages
...locus. How often does the point pass through the origin ? 126. The Cycloid. — If a circle rolls along a straight line the curve traced by a point on the circumference is called a cycloid. The straight line is called the base. As the circle rolls it describes the length of the circumference... | |
 | Edwin Schofield Crawley, Henry Brown Evans - Geometry, Analytic - 1918 - 257 pages
...in parametric form. 4. Obtain parametric equations for the ellipse (x - *)2 (y - /3)2 _ — 5. When a circle rolls on a straight line the curve traced by a fixed point on a radius of the circle (or on the radius produced) is called a trochoid. If a is the... | |
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If a circle rolls on a straight line the curve traced by a point on the circumference is called a cycloid. 