5 Questions
Why is it very difficult to pull the books apart?
Because of friction
What causes friction between two surfaces in contact with each other?
Tiny irregularities or projections on these surfaces interlock and resist motion.
Why do you need a very large force to overcome the friction between the pages to pull the books apart?
Because the friction between the pages is tremendous.
What is friction and how does it act?
Friction is a force which opposes motion and acts in the opposite direction to the motion. It acts when two surfaces are in contact with each other.
What force opposes motion and acts in the opposite direction to the motion?
Frictional force or friction
Test your understanding of frictional force and its effect on separating books. Explore the concept of friction and its opposing force that makes it difficult to pull the books apart.
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