Marvin and Milo

Explore physics the exciting way, by trying out a simple and fun experiment. This month, Electric Slime Don't forget to check back next month for the next edition...

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What you need

  1. Two very similar books, with at least 100 pages each.


  1. Carefully, and evenly, interweave the pages of the books son that they overlap to about the middle of the page.
  2. Hold the books by the spines and pull!


Results & explanation

Friction is the force that acts against the motion of two surfaces in contact. The friction between the just two pages is tiny, but with lots of pages in the books, the force becomes very noticeable.

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