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Friction
Physical Interaction![Play](https://cdn-wordup.com/WebsiteImages/DictionaryPics/BlackPlay.svg)
Friction occurs when two surfaces physically interact, often when one object moves over another. ![Slide](https://word-images.cdn-wordup.com/tips/rBpgIcDCp50ofV437cZHgeAok.webp)
Not Always Negative![Play](https://cdn-wordup.com/WebsiteImages/DictionaryPics/BlackPlay.svg)
While friction can cause wear, it's also essential for grip, like walking without slipping. ![Slide](https://word-images.cdn-wordup.com/tips/k63c3nOSBdG159NxUtgI1ZvcCo.webp)
Surface Texture![Play](https://cdn-wordup.com/WebsiteImages/DictionaryPics/BlackPlay.svg)
Smooth surfaces have less friction, while rough surfaces increase it. ![Slide](https://word-images.cdn-wordup.com/tips/9kQZnmS9jbfybDow5iwDUEj63M.webp)