A uniform rod AB of length λ is free to rotate about a hori…

Physics Work, Energy, Power and Collision Conservation of Energy and Momentum MCQ (Single Correct)

A uniform rod AB of length λ is free to rotate about a horizontal axis passing through A. The rod is released from rest from horizontal position. If the rod gets broken at mid-point when it becomes vertical then just after breaking of rod

Angular velocity of upper part starts to decrease while that of lower part remains constant

Angular velocity of upper part starts to decrease which that of lower part starts to increase

Angular velocity of both the parts is identical.

Angular velocity of lower parts becomes zero

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The correct answer is:

Angular momentum is concerned.

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