A pencil eraser loses tiny pieces of rubber each time you use it. What is the phenomenon behind it?

Inertia

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Friction

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Thrust

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Pressure

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Solution

The correct option is B Friction
When we use a pencil eraser, the friction between the eraser and paper rubs off some minor rubber particles from the eraser due to heat generation. Thus whenever we use a pencil eraser, the surface of the paper offers friction on the eraser.

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Similar questions

A pencil eraser loses tiny pieces of rubber each time you use it. Why does this happen?

Question 16

Which among the following materials would you identify as soft materials and why ?

Ice, rubber band, leaf, eraser, pencil, pearl, a piece of wooden board, cooked rice, pulses and fresh chapati.

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