+1 vote
in Machine Dynamics by (34.3k points)
In a revolving rotor, the centrifugal force remains balanced as long as the centre of the mass of the rotor lies ___________

(a) Below the axis of shaft

(b) On the axis of the shaft

(c) Above the axis of shaft

(d) Away from the axis of shaft

The question was posed to me in an interview for internship.

The doubt is from Balancing of Rotating Masses in portion Balancing of Rotating Masses of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
Correct answer is (b) On the axis of the shaft

Explanation: In a revolving rotor, the centrifugal force remains balanced as long as the centre of the mass of the rotor lies on the axis of shaft. In other cases, the system will be unbalanced.

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