Khan Academy: Constructing a Unit Normal Vector to a Surface

Video showing how to construct the unit normal vector to a surface for any point on a curve by first showing how to find any normal vector and from there finding the unit normal vector. Includes an explanation of how to find the...

Video showing how to construct the unit normal vector for any point on a curve by first finding the tangent vector, using it to find any normal vector and from there finding the unit normal vector. [10:08]

Video using the information about unit normal vectors to represent the surface integral for finding flux through a surface in two dimensions in a different way. The video also uses partial derivatives and the second definition of the...

Video showing how to find the closed line integral of the dot product of a vector field and a unit normal vector to figure out how fast particles are exiting the region formed by the closed curve. Green's theorem is applied and the...

Video first introduces what a unit vector is. Shows how to construct a unit vector using scalars. Shows notation for unit vectors. [6:59]

At this site from Math World you can find out various normal vector formulas, including normal vectors of planes, surfaces, tangent vectors, and three dimensional surfaces. This site also explains how the unit normal vector is derived.

Video solving for the shortest distance between a point and a plane by building from the previous video where the normal vector to the plane is found. Distance is calculated by finding the dot product of the vector from the given point...

Video finding the normal vector to a plane using its equation by first visualizing the vector and the plane and then solving for it. Shows how to find the equation of a plane given the position vectors of two points on the plane and...

This video explains how to convert between customary units of capacity. Practice problems are available. [5:17]

Different ways of representing a flux integral