The operation of addition, subtraction and multiplication of ordinary algebra can be extended to vectors with some new definitions and a few new rules. There are two fundamental definitions. We can now define vector addition. The sum of two vectors, A and B , is a vector C , which is obtained by placing the initial point of B on the final point of A , and then drawing a line from the initial point of A to the final point of B , as illustrated in Panel 4. B This would be a good place to try this simulation on the graphical addition of vectors.
Vector subtraction is defined in the following way.
The graphical representation is shown in Panel 5. For example, speed, mass and temperature. As was stated earlier, many of the laws of ordinary algebra hold also for vector algebra. The verification of the latter law is shown in Panel 6. If we add A and B we get a vector E .