Why are the soles of shoes and tyres of vehicles made of rubber with grooves?

Class 8 Science Chapter 8 - Friction | Complete NCERT Playlist | CBSE Master the complete Class 8 Science Chapter 8 "Friction" with this detailed and easy-to-understand video playlist. This chapter explains one of the most important forces in our daily life. In this full chapter playlist, you will learn: What is Friction and Causes of Friction Types of Friction: Static, Sliding & Rolling Friction Factors Affecting Friction Friction - A Necessary Evil (Advantages & Disadvantages) Methods to Increase and Reduce Friction Why Rolling Friction is Less than Sliding Friction Fluid Friction (Drag) and Streamlined Shapes All NCERT In-Text Questions and Exercise Solutions with real-life examples Every concept is explained with simple language, daily life examples, diagrams, and interesting experiments for perfect concept clarity and high marks in exams. Perfect for CBSE Class 8 students preparing for Periodic Tests, Half-Yearly Exams, Pre-Boards, and Final Exams 📌 All videos are arranged in proper sequence with timestamps for easy learning. 🔥 Best NCERT Explanation | Real Life Examples | Advantages & Disadvantages | Numericals 👍 Like | Share | Subscribe for more complete chapter-wise playlists of Class 8 Science. Best of Luck with your Studies! 💪 #Class8Science #FrictionClass8 #Chapter8Science #TypesOfFriction #NecessaryEvil #RollingFriction #FluidFriction #NCERTClass8 #CBSEClass8 #ScienceClass8 #FrictionAdvantages #CBSE