Скачать или смотреть Class 9 Physics | Friction | Advantages, Disadvantages & Methods of Reducing Friction

✨ Welcome Class 9 Students!
In this video, we cover one of the most important topics of **Dynamics – II: Friction**.
You will learn:
✔️ What is Friction?
✔️ Microscopic Description of Friction
✔️ Sliding Friction with Bicycle Brake Example
✔️ Advantages & Disadvantages of Friction
✔️ Methods of Reducing Friction (Polishing, Ball Bearings, Lubricants)
✔️ Activity to understand Friction (Book & Pencil experiment)

📘 This lesson is explained in a *simple and easy way* so that you can make notes quickly and prepare for your **Class 9 Physics exams**.

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Class 9 Physics Dynamics II Friction Explanation

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