When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are$?

When a circular wheel rolls on a straight track, then the shape of bod

1.	When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are$?
A.	Straight line and parabola
B.	Straight line and circle
C.	Circle and straight line
D.	Circle and parabola
Answer» D. Circle and parabola

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When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are$?

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