Understanding and predicting gravitational fields.
An explanation of displacement.
How to derive the formula for the midpoint of a segment in three dimensions.
How to write the parametric equations of a line segment that goes from point A to point B.
How to find the resultant of two forces when they are parallel, opposite, or perpendicular in direction.
How we measure airspeed, wind, groundspeed, and other variables in navigation.
How to write equations describing motion in a straight line given the velocity and the position when t=0.
How to determine whether two lines in space are parallel or perpendicular.
How to find the angle between planes, and how to determine if two planes are parallel or perpendicular.