A disc is a spinning with an angular velocity rad/s about the axis of spin. The couple applied to the disc causing precession will be

A disc is a spinning with an angular velocity rad/s about the axis o

1.	A disc is a spinning with an angular velocity rad/s about the axis of spin. The couple applied to the disc causing precession will be
A.	1/2 I <sup>2</sup>
B.	I <sup>2</sup>
C.	1/2 I <sub>p</sub>
D.	I <sub>p</sub>
Answer» E.