Dimensional analysis seems to me to be a far more fool-proof way of knowing whether a quantity should be used with a particular formula. Also the other issue i

Dimensional analysis seems to me to be a far more fool-proof way of knowing whether a quantity should be used with a particular formula. Also the other issue is that the word "force" in physics doesn't just refer to F=ma, it also refers to the general concept of an interaction mediator. That's why they're called the four fundamental forces -- meaning that saying "gravity is not a force, it's a field" is not only overly pedantic but is also arguably wrong if you take it literally.