For an isochronous Hartnell governor (where r₁ and r₂ = Maximum and minimum radius of rotation of balls respectively, S₁ and S₂ = Maximum and minimum force exerted on the sleeve respectively, and M = Mass on the sleeve)

(m.g - S₁)/(m.g - S₂) = r₂/r₁

(m.g + S₁)/(m.g + S₂) = r₁/r₂

For an isochronous Hartnell governor (where r₁ and r₂ = Maximum a

1.	For an isochronous Hartnell governor (where r₁ and r₂ = Maximum and minimum radius of rotation of balls respectively, S₁ and S₂ = Maximum and minimum force exerted on the sleeve respectively, and M = Mass on the sleeve)
A.	(m.g + S₁)/(m.g + S₂) = r₁/r₂
B.	(m.g - S₁)/(m.g - S₂) = r₂/r₁
C.	S₁/S₂ = r₁/r₂
D.	S₂/S₁ = r₁/r₂
Answer» B. (m.g - S₁)/(m.g - S₂) = r₂/r₁

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For an isochronous Hartnell governor (where r₁ and r₂ = Maximum and minimum radius of rotation of balls respectively, S₁ and S₂ = Maximum and minimum force exerted on the sleeve respectively, and M = Mass on the sleeve)

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