Question

ratio of inertial mass to gravitational mass is;

Answer 1

Inertial Mass , m = F /a
Gravitational mass , m' = W /g So , their ratio : m/m' = $\raisebox{1ex}{${\displaystyle \frac{F}{a}}$}\!\left/ \!\raisebox{-1ex}{${\displaystyle \frac{W}{g}}={\displaystyle \frac{Fg}{Wa}}$}\right.$