Deceleration (or negative acceleration).
There is no such thing as an object with two sides.
neutral point
An initial point and a final point must be chosen to determine the motion of an object. By measuring the position of the object at these two points, the distance and direction traveled can be calculated. Additionally, the time taken between the two points is necessary to determine the object's speed and velocity.
There is no such object.
A PLANE has two sides
Well, honey, an automatic car typically has two foot pedals: one for the gas and one for the brake. Unless you're counting the one your husband keeps confusing with the gas, which is the one on the far left called the clutch. But in a standard automatic car, it's just two pedals to get you from point A to point B without breaking a sweat.
The common point is called the intersection.
The distance between an object and a reference point is the object's position in relation to that point. This distance is typically measured in a straight line between the two points and is an important consideration in physics and mathematics.
Each point of a polygon at which two sides intersect is called VERTEX
When you have a single piece on any point it is vulnerable. It is called a "blot". If you put a second piece with it is is called "making the point". Same thing if you move two pieces to the same empty point. If you have two or more pieces -- a "stack" -- on a point, it is called "owning the point".
If two sides meet at a POINT then it is a vertex or corner.
The point where two objects break away on a cladogram is called a node. It represents a common ancestor from which the two objects diverged.