Home Physics Work, Energy, Power and Collision Conservation of Energy and Momentum A uniform rod AB of length λ is free to rota…
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

A
Angular velocity of upper part starts to decrease while that of lower part remains constant
B
Angular velocity of upper part starts to decrease which that of lower part starts to increase
C
Angular velocity of both the parts is identical.
D
Angular velocity of lower parts becomes zero

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The correct answer is:
A

Angular momentum is concerned.

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