Published by:
CGP EDU Academic Team
Published on: August 22, 2026
Two masses 
and 
are connected at the two ends of 
massless rigid rod of length 
. The rod is suspended by a thin wire of torsional constant 
at the centre of mass of the rodmass system (see figure). Because of torsional constant 
, the restoring torque is 
for angular displacement 
. If the rod is rotated by 
and released, the tension in it when it passes through its mean position will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
where 
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