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The diagrams depict two balloons, one or more of which show plus (+) and minus (-) signs. The plus and minus signs represent the excess of positive and negative charges present in the object. If a balloon does not show a + or - sign, then it is electrically neutral.
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Charge Interactions
Charged objects show a noticeable interaction with other surrounding objects. The cause of the interaction can be summarized by one of the following three statements:
- Oppositely charged objects attract each other.
- Like-charged objects repel each other.
- Any charged object - whether positive or negative - will attract a neutral object.
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