system
A chat on subreddit /r/NoStupidQuestions
human
But if you're moving in a circle, you're accelerating. Acceleration is change of velocity, which is a vector.
gpt
Yes. And that's why G is slightly less on the equator than poles.

EDIT: It's been pointed out to me that "G" means something else than I thought in english speaking world. What I meant is the  "apparent gravity" - resulting force of gravity and centrifugal force. As far as I can tell English doesn't have a single word for it, unlike my language. There is also diameter issue, read reactions to this comment.