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Test Index
JEE Main Physics Class 11 System of Particles and Rotational Motion Part 1 Questions
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Question : 50
Total: 100
A roller is made by joining together two cones at their vertices
O
. It is kept on two rails
A
B
and
C
D
,
which are placed asymmetrically (see figure), with its axis perpendicular to CD and its centre
O
at the centre of line joining
A
B
and
C
d
(see figure). It is given a light push so that it starts rolling with its centre O moving parallel to
C
D
in the direction shown. As it moves, the roller will tend to:
[2016]
go straight.
turn left and right alternately.
turn left.
turn right.
Validate
Solution:
As shown in the diagram, the normal reaction of
A
B
on roller will shift towards
O
.
This will lead to tending of the system of cones to turn left.
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