All Bookmarks (Figure 1)Consider three plastic balls (A, B, and C), each carrying a uniformly distributed charge equal to either +Q, -Q or zero, and an uncharged copper ball (D). A positive test charge () experiences the forces Sharing Learning Goal: shown in the figure when brought very near to the individual balls. The test charge T is strongly attracted to A, strongly repelled from B, weakly attracted to C, and strongly attracted to D. To understand the electric force between charged and uncharged conductors and Assume throughout this problem that the balls are brought very close together. insulators. When a test charge is brought near a charged object, we know from Coulomb's law that it will experience a net force (either attractive or repulsive, depending on the nature of Part A the object's charge). A test charge may also experience an electric force when brought near a neutral object. Any attraction of a neutral insulator or neutral conductor to a test charge must occur through induced polarization. In an insulator, the electrons are bound to their molecules. Though they cannot move freely throughout the insulator, they can Part B shift slightly, creating a rather weak net attraction to a test charge that is brought close to the insulator's surface. In a conductor, free electrons will accumulate on the surface of the conductor nearest the positive test charge. This will create a strong attractive force if What is the nature of the force between balls A and C ? the test charge is placed very close to the conductor's surface. View Available Hint(s) attractive in equal magnitude to balls A and B attractive in smaller magnitude than balls A and B repulsive in smaller magnitude than balls A and B neither attractive nor repulsive Submit Part C Complete previous part(s) Part D Complete previous part ( s ) Next > Provide Feedback Figure MacBook Pro