The effort of a Porter governor is equal to (where c = Percentage increase in sp

Question

The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve)

Options:

A . c (m - M) g

B . c (m + M) g

C . c/(m + M) g

D . c/(m - M) g

Answer: Option B

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