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Answer:
B. Two oppositely charged particle will accelerate toward each other.
Explanation:
According to Coulomb’s Law, there is a force of interaction between electric charges depending on their polarity. When electric charges are both positively or negatively charged, they repel with each other. But when the charges have opposite polarity, they attract.
An experiment was observed on three materials: a plastic rod, fur and cork ball. We rub the plastic rod with fur then touched it to the cork ball. The experiment suggested that there is a transfer of electric charge. The fur has transferred negative charge particles to the plastic rod. The plastic rod then touch the cork ball and it attracted the plastic rod since therefore, the negatively charge particles from the fur was transferred to it. This transfer of charged particle is what we call "attraction". In this sense, the cork ball is said to have a positive charge since the negative charge was transferred. But if the cork ball has a negative charge, it will repel the plastic rod and there will be no transfer of charges.
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