When the relation between the controlling force ( F c ) and radius of rotation ( r ) for a spring controlled governor is F c = ar + b , then the governor will be

When the relation between the controlling force ( F c ) and radius of

1.	When the relation between the controlling force ( F c ) and radius of rotation ( r ) for a spring controlled governor is F c = ar + b , then the governor will be
A.	stable
B.	unstable
C.	isochronous
D.	none of these
Answer» C. isochronous

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When the relation between the controlling force ( F c ) and radius of rotation ( r ) for a spring controlled governor is F c = ar + b , then the governor will be

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