A Solid Cylinder Is Spinning Counterclockwise About a Longitudinal Axis $\tau$

Multiple Choice

A solid cylinder is spinning counterclockwise about a longitudinal axis when a net torque $\tau$ is applied,as shown.The cylinder

A) speeds up.
B) slows down.
C) precesses about a vertical axis.
D) precesses about a horizontal axis.
E) does none of these.