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Type: Multiple-Choice
Category: Forces and Motion
Level: Grade 8
Tags: friction
Author: wlemerson
Last Modified: 6 years ago

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Grade 8 Forces and Motion

What determines how much friction occurs between two surfaces?
  1. distance the object is pulled along the surface
  2. how fast the objects are moving
  3. how hard you push or pull the objects
  4. the amount of force pushing the objects together and how irregular the surfaces