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If F=m.ω^2.r represents the centrifugal force...

If F=m.ω^2.r represents the centrifugal force then which of the following expressions represents controlling force.

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+1 vote

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

If F=m.ω^2.r represents the centrifugal force then which of the following expressions represents controlling force.

(a) F

(b) 2F

(c) -2F

(d) -F

I had been asked this question in a job interview.

My enquiry is from Controlling Force topic in section Governors of Machine Dynamics

machine dynamics
governors
controlling force

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1 Answer

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answered Oct 16, 2022 by Fred (38.6k points)

Right answer is (d) -F

The best explanation: Inward force acts on the body of the governor which is centripetal in nature. This force is called controlling force and acts in the opposite direction to that of centrifugal force.

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