Question

What will happen to g at the poles if the earth stopped spinning

Answer 1

When Earth stops rotating, gravity will not change, it will just not be slightly compensated by the centrifugal force. ... It's flattened at the poles, making the surface closer to the center, so when Earth stops rotating, things at the equator will feel slightly heavier.

Answer 2

The value of g is a constant not affected by the rotation (spin) of the Earth. That then is "c" as the correct answer. However, if the question were asked what happens to gravity at the equator if the Earth stopped spinning, gravity would slightly increase as the Earth becomes more spherical.