+1 vote
in Machine Dynamics by (34.3k points)
What should be the stability condition for the angle made by OA and the x axis? (the x – axis represents radius of rotation and the y axis represents the controlling force.)

(a) Angle must increase

(b) Angle must decrease

(c) Angle must remain constant

(d) Stability is independent of this angle

I have been asked this question by my school teacher while I was bunking the class.

This key question is from Controlling Force Diagram for a Porter Governor in section Governors of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
The correct option is (a) Angle must increase

The explanation: In case the governor satisfies the condition for stability, the angle between OA and the x-axis must increase with the radius of rotation of the governor balls.

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