Question: For a spring controlled governor to be stable, the controlling force ((F)) is related to the radius ((r)) by the equation. (a) (F=a r-b) (b)

For a spring controlled governor to be stable, the controlling force \((F)\) is related to the radius \((r)\) by the equation.

(a) \(F=a r-b\)

(b) \(F=a r+b\)

(c) \(F=a r\)

(d) \(F=a / r+b\)

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