+1 vote
in Machine Dynamics by (34.3k points)
Which of the following is true regarding overturning couple?

(a) It is the sum of gyroscope couple and centrifugal couple

(b) It is the product of gyroscope couple and centrifugal couple

(c) It is the difference of gyroscope couple and centrifugal couple

(d) It is the ratio of gyroscope couple and centrifugal couple

I had been asked this question in an interview for job.

Query is from Stability of a Two Wheel Vehicle Taking a Turn topic in chapter Gyroscopic Couple and Precessional Motion of Machine Dynamics

1 Answer

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by (38.6k points)
Correct choice is (a) It is the sum of gyroscope couple and centrifugal couple

To elaborate: Since the centrifugal couple has a tendency to overturn the vehicle, therefore Total overturning couple Co is given by: Co = Gyroscopic couple + Centrifugal couple.

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