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## Main Question or Discussion Point

In what scenarios would you use the equation g= F/m instead of g=GM/r

^{2}(or vice versa), for calculating gravitational field strength?**Update:**is g=F/m used to find the force acting on a mass in a gravitational field (of strength g), whereas g=GM/r^{2}used to calculate the gravitational field strength at a point in the field created by the object of mass M