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when you rub the plastic ruler on e.g. a yellow duster it takes the electrons (which is the negative charge) from the yellow duster and the plastic ruler becomes negatively charged. The paper has both protons and electrons the protons are positively charged. and very much like a magnet the negative is attracted to the positive hence the paper sticks to the ruler

Hastings Tarrant

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13y ago
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Q: Why a ruller will attract pieces of papers?
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