Figure 19 Graphic Addition

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GRAPHIC METHOD OF VECTOR ADDITION Vectors CP-02 Page 18 Rev. 0 Figure 19 Graphic Addition - Example 1 Step 5. Determine the magnitude and direction of the resultant. a. Measure the displacement and angle directly from the graph using a ruler and a protractor. b. Determine the components of the resultant by projection onto the x- and y-axes. Example 1: What are the magnitude and direction of the resultant for the following: F = 3 1 units at 300 , F = 4 units at 60 , and F = 8 units at 180 ? The three vectors and o o o 2 3 their resultant are shown in Figure 19. Answer: F = 4 units at 150 R o Example 2: Given X = 50 Ohms at 90 , R = 50 Ohms at 0 , and X = 50 Ohms at 270 , what L c o o o is the Resultant Z? (See Figure 20) Note: X is inductive reactance, X is L c capacitive reactance and Z is impedance. Answer: Z = 50 Ohms at 0^o

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