Q.2] Two particles A and B move in concentric circles of radii r1 and r2 respectively in such a way that
A, B and the centre of the circle (O) always lie on a straight line. The ratio of their angular velocities
(
ω1
ω2
) is
a) r1
r2
b) r2
r1
c) one d) 1
/2
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Solution
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Since they maintain a straight line from the centre, their angular velocities are same.
⇒ω
1
=ω
2
It means the ratio of their angular velocities is one.
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