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- is a curve genera...

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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