Two masses
and
are connected at the two ends of a massless rigid rod of length
. The rod is suspended by a thin wire of torsional constant
at the centre of mass of the rod-mass system (see figure). Because of torsional constant
the restoring toruque 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
Text Solution
Verified by ExpertsThe correct answer is:
C
JEE Main 2019
As we know,


Tension when it passes through the mean position ,

Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A block of mass , lying on a smooth horizontal surface, is attached to a spring (of negligible mas…
A rod of mass and length is suspended at its middle by a wire. It exhibits torsional oscillations…
A particle is executing simple harmonic motion of amplitude , along the -axis about . When its …
The density of a material in unit of is In certain units in which the unit of length is and the …
A homogeneous solid cylindrical roller of radius and mass is pulled on a cricket pitch by a horiz…
Two stars of masses each, and at distance rotate in a plane about their common centre of mass . …