Vector components, vector magnitudes and directions, vector addition, unit vectors The figure below shows a vector A with magnitude 22.9 m and direction 158 (CCW from the +x axis). -20 Positive Negative Ay sign: Positive 0 Negative Calculate the value of A. Calculate the value of Ay. is CCW from the +x axis). -40 0 Using the graph, what sign (+ or -) would you expect each of the components to be? A sign: Positive Negative By sign: Negative Positive -60 -15 Calculate the value of Br. Calculate the value of By. Positive Negative Cu sign: Positive -30 Negative -10 -50 -20 -5 -10 y (m) 8 Using the graph, what sign (+ or -) would you expect each of the components to be? By sign: 6 4 2 m m The figure below shows a vector B with magnitude 46.3 m and direction -150 (Positive m m y (m) -5 -10 -15 -20 x (m) m m The figure below shows the vectors A and B from above drawn head-to-tail. A 40 -30 -20 -10 x (m) y (m) -10 Using the graph, what sign (+ or -) would you expect each of the components of the vector sum Ca sign: 0 -15 F x (m) Calculate the value of Cr. Calculate the value of y. Calculate the magnitude C. m Calculate the direction (angle) between the + axis and C. Give an angle in degrees with -180 < < 180. C = A + B to be