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E. Two identical metal balls are suspended from the ceiling by insulating strings. Initially, the balls have the same non-zero net charge. Draw a free-body diagram for each ball. Label

each force to indicate *the type of force (gravitational, normal, etc.) *the object exerting the force *the object on which the force is exerted *whether the force is a contact or non contact force In your diagrams, identify the forces that are the action-reaction pairs. (Remember Newton's Third Law?)2. 3. Suppose that the charge on ball 2 is decreased so that it is less than that on ball 1. How do the free body diagrams for the balls in this case compare to the free body diagrams that you drew in part 1? Explain. 4. Suppose that the net charge on ball 2 is reduced to zero. How do the free body diagrams for this case compare to the diagrams you drew in parts 1 and 3 above? Explain. Is your answer consistent with the observations you made of an uncharged ball when a charge tape was brought near it? (See part B.) If not, modify your answer so that it is consistent.

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