Use the following in ation to answer numerical response question 2. A group of students used it forsion balance apparatus tes investigate Coulombs's law Testable Relationships Force is inversely proportional to the square of the distance between the centres of the spheres 2 Force is directly proportional to the square of the distance between the centres of the spheres. 3 Force is inversely proportional to the charge on one sphere. Force is directly proportional to the charge on one sphere. Possible Manipulated Variables Possible Variables on the Horizontal Axis Force. F Charge on one sphere, q 5 W N Distance between the centres of the spheres, 2 Graph Shapes Numerical Response 2. Using the numbers given, choose one of the testable relationships that is consistent with Coulomb's law and identify the corresponding manipulated variable, the variable on the horizontal axis, and the graph shape. (There is more than one correct answer.) Number: Description: Testable Manipulated Variable on the Graph shape relationship that variable horizontal axis is consistent with Coulomb's law