The axis of precession is ____________ to the plane in which the axis of spin is going to rotate.
(a) parallel
(b) perpendicular
(c) spiral
(d) none of the mentioned
This question was addressed to me by my college professor while I was bunking the class.
This intriguing question comes from Gyroscopic Couple in chapter Gyroscopic Couple and Precessional Motion of Machine Dynamics