+1 vote
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Free torsional vibrations of a single motor system increases with increase in polar moment of inertia.

(a) True

(b) False

This question was addressed to me in an internship interview.

This key question is from Free Torsional Vibrations of a Single Rotor System in division Torsional Vibrations of Machine Dynamics

1 Answer

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by (38.6k points)
The correct option is (b) False

The explanation is: The free torsional vibrations of a single motor system depends on the following factors:

√Polar moment of inertia as directly proportional to the square root of polar moment of inertia.

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