the effect of friction when erasing using an eraser
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without friction eraser must be floating in air
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Explanation:
Erasing happens because of the friction that develops between the eraser material and the paper. Thus, when you rub an eraser on the paper, the resulting friction produces heat. This helps the eraser become quite sticky, stickier even than the paper, so it attracts the graphite particles from the pencil onto itself.
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