Q. A body is rotating with constant angular velocity. Which of the following is zero?

एक पिंड स्थिर कोणीय वेग से घूम रहा है। निम्नलिखित में से कौन सा शून्य है?

Angular displacement
कोणीय विस्थापन

Angular momentum
कोनेदार गति

Angular acceleration
कोणीय त्वरण

Kinetic energy
गतिज ऊर्जा

If angular velocity $\omega$ is constant, then:

\alpha = \frac{d\omega}{dt} = 0

Angular acceleration is zero because there's no change in angular velocity over time.

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