A push or pull upon an object resulting from the object's interaction with another object.

The change in position of an object over time.

The location of an object at a particular point in time.

The line or path along which something is moving, pointing, or aiming.

The speed of something in a given direction.

A change of velocity (speed and direction)

The force that attracts a body toward the center of the earth, or toward any other physical body having mass.

A force that acts directly against the direction of motion.

The distance an object travels per unit of time (distance / time = speed)