15679. A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when September 13, 2025 by Admin a is + ve and b = 0 a = 0 and b is + ve a is + ve and b is – ve a is + ve and b is als ✅ The correct answer is option A.
