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| Q. |
is a curve generated by a point fixed to a circle, within or outside its circumference, as the circle rolls along a straight line. |
| A. | cycloid |
| B. | epicycloid |
| C. | epitrochoid |
| D. | trochoid |
| Answer» D. trochoid | |
| Explanation: cycloid form if generating point is on the circumference of generating a circle. epicycloid represents generating circle rolls on the directing circle. epitrochoid is that the generating point is within or outside the generating circle but generating circle rolls on directing circle. | |
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