The way to remember it is horizontal is like the horizon, so flat like this:
___________________________________________________________
That was a horizontal line.
Vertical is the other way (so up and down):
|
|
|
|
|
|
|
That was a vertical line.
Chat with our AI personalities
90 degree
B. horizontal
Parallel lines are lines that, if extended, would never intersect with eachother. This means that they are going in the same direction, eg. | |, but not | \. Horizontal means that that are going across, eg. ___________________, not |. An example of a lines that are parallel and horizontal: _____________________________________ _____________________________________
It indicates that the object in question is moving at a constant velocity in the radial direction. It gives no information about motion in the transverse direction.
The absolute difference in the vertical direction is zero but the absolute difference in the horizontal direction will be the horizontal distance - which is the distance between the points.