Movement in the horizontal plane is in what axis?

Answer:

All you can say is that it can have components of motion parallel to the 'x' and 'y' axis, and if it's moving, then one of those components can be zero but not both.

First answer by Alcohen2006. Last edit by Alcohen2006. Contributor trust: 1141 [recommend contributor recommended]. Question popularity: 1 [recommend question].