Question

An cylinder of mass `m` is rotated about its axis by an angular velocity `omega` and lowered gently on an inclined plane as shown in figure. Then :
.
A. it will start going upward
B. it will first going upward and then downward
C. it will go downward just after it is lowered
D. it can never go upward.

Answer 1

Correct Answer - D
(d) Since net force along the incline is zero, so cylinder will remain in position till it stops rotating. After that it will start moving downwards.