Friction Definition
Friction is the force resisting motion. It slows things down.
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Patterns of Motion & Friction
Fun Facts
- Friction makes a book sliding across the floor come to a stop.
- Air hockey tables have very little friction due to air preventing puck contact.
- Bowling lanes are coated with oil to reduce friction for smoother ball slides.
Why Do We Need To Know About Friction
Learning about friction helps us see why it’s important in our everyday lives and in different jobs. For example, car designers use knowledge about friction to make tires that grip the road well, which makes cars safer to drive. This knowledge helps avoid crashes and makes cars work better.
In designing planes, making them more streamlined to lower friction helps them use less fuel and fly faster. Also, knowing about friction in daily life, like using oil to stop squeaks or understanding why pencils become dull, gives us useful tips for solving common problems.
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