Physics · SYSTEMS OF PARTICLES AND ROTATIONAL MOTION
हिन्दीGiven below are two statements regarding rotation about a fixed axis: Statement I: The particles situated directly on the fixed axis of rotation remain stationary. Statement II: The linear speed of any particle of the rigid body is directly proportional to its perpendicular distance from the axis of rotation. In the light of the above statements, choose the most appropriate answer from the options given below:
Correct answer · Option 1
Both Statement I and Statement II are correct.
Explanation
For particles on the axis, \( r = 0 \implies v = \omega r = 0 \) (stationary). For any particle, \( v = \omega r \), so \( v \propto r \). Both statements are correct.