For a spring controlled Hartnell type governor, following data is pro…

Question

For a spring controlled Hartnell type governor, following data is provided:

Mass of the governor ball = 1.80 kg

Length of the vertical bell crank lever = 8.75 cm

Length of other arm of bell crank lever = 10.0 cm

If the speeds corresponding to radii of rotations of 12 cm and 13 cm are 296 and 304 r.p.m. respectively. Find the stiffness of spring.

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