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- What is the force direction in each case? $ #7a. B # 7c. Copyright 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley. 180 X X X XX X X to #7b. ▬▬►ỹ #7d. × × × × x A Custor6. LO 7: Using the symmetry of the arrangement, determine the direction of the force on q in the figure below, given that qa=qb=7.5 µC qc=qd=-7.50μC. a. Draw a free body diagram of q. b. Due to symmetry the direction of the net force is A. B. C. D. In the +x direction In the -x direction In the +y direction. In the -y direction. Hint: For each force draw the x and y components. Some will add and some will cancel. c. Calculate the magnitude of the force on the charge q, given that the square is 10.0 cm on a side and q = 2.00 μC.1. Vector D has components Dx = -4.9 m and Dy = + 7.2 m. a. Write it in unit vector notation. b. Find its magnitude and direction. (Make sure it is in the correct quadrant.)