OpenStax
Open Stax: Vector Addition and Subtraction: Graphical Methods
In this interactive site, students will begin to understand the rules of vector addition, subtraction, and multiplication and apply graphical methods of vector addition and subtraction to determine the displacement of moving objects.
Texas Education Agency
Texas Gateway: 3.2 Vector Addition and Subtraction: Graphical Methods
By the end of this section, you will be able to understand the rules of vector addition, subtraction, and multiplication and to apply graphical methods of vector addition and subtraction to determine the displacement of moving objects.