In physics a negative number does not always mean a smaller number. Mathematically –2 is smaller than +2, but in physics these numbers have the same magnitude (size), they just point in different directions (180o apart). VECTOR ADDITION A. Parallelogram A + B A – B B. Tip to Tail A + B A – B 2.1 Draw the resultant vector using the parallelogram method of vector addition. Example: a. b. c. d. e. 2.2 Draw the resultant vector using the tip to tail method . Label the resultant as vector R a. A + B b. A – B c. X + Y d. T – S e. P + V f. C - D g. A + B + C h. A – B – C