Question

if only one force is acting on an object does it HAVE TO be accelerating?

Answer 1

I think so

Answer 2

nope. it could be a constant force

Answer 3

@coolsday but F=ma, if only one force is acting, F is non-zero

Answer 4

hence a is non-zero

Answer 5

ok, nevermind, I thought it said two forces. Your right.