Question

P
X
1.
axis OX is
2.
3.
The position of the particle at point 'Q' with respect to OX axis is
The change in angular position of the particle moving from P to Q is =
​

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Asked on December 26, 2019 by

Meghna Chiliveru

A particle moves in a circle with constant angular velocity ω about a point P on its circumference. The angular velocity of the particle about the centre C of the circle is?

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ANSWER

The angular velocity about P is ω

Angle swept about P in time t θ=ωt

Now, from properties of the circle, we know that angle subtended by an arc at the centre is double of the angle subtended anywhere on the circumference.

Hence angle subtended at O in time t is 2θ

Hence angular velocity=ω

o

=

t

2θ

=2ω