In order to solve two dimensional problems it is necessary to break all vectors into their x and y components. Different dimensions do not 'talk' to each other. Thus one must use the equations of Motion once for the x-direction and once for the y-direction.
Learn about adding force vectors in two dimensions using the example of a painting hanging from two strings.
This example problem uses vectors and a situation from real life.
Illustrates how vectors play into velocity with an example problem.
A list of student-submitted discussion questions for Vectors.