There is a configuration of 9 charges. 8 of them are positive and one is negative. Every charge has a magnitude of 1 μC (one microCoulomb). One positive charge is placed in the center of a circle with radius . 05 m , while the other 8 are evenly distributed around the circumference of the circle (45 degrees from each other) with the negative charge placed at the top (see the diagram below). What is the magnitude of the net force on the charge in the middle in Newtons? (Hint: do not calculate the force from every single charge, consider the directions and relative magnitudes)