Question

A roller is made by joining together two cones at their vertices O, ti is kept on two rails AB and CD, which are placed asymmetrically with its axis perpendiuclar to CD and its center O at the centre of line joining AB and Cd it is given a light push so that it starts rolling with its centre O moving parallel to CD in the direction shown As it moves, the roller wil tand to:

A. go straight
B. tum left and right alternately.
C. trun left.
D. turn right.

Answer 1

Correct Answer - C
(c ) As shown in the diagram the
normal reaction of ABH on
roller will shift towards O.
This will lead to tending of
the system of conses to turn
left