Vertical
It means moving at a constant speed ... not speeding up or slowing down ... and in a straight line.
Straight across
vertical; straight up and down; upright; meeting a given line or surface at right angles.
Vertical means straight up and down,aligned with the direction of gravity. Vertically upward means vertical in the up direction. So if you jump directly straight up that is vertically upward; when you land you are travelling vertically downward.
straight up and down
Straight up or down
Vertical
y axis
a person because were straight and are legs are down and were up because are head is up.
It means moving at a constant speed ... not speeding up or slowing down ... and in a straight line.
for example a straight line.(is it straight up and down)
Straight across
SO tilted rinds almost straight up and down what planet is that
vertical; straight up and down; upright; meeting a given line or surface at right angles.
Vertically means straight up and down. Drapes hang vertically. A flag pole is vertical.
for example a straight line.(is it straight up and down)