Centripetal Force with examples | 9th Class Physics Chapter 4 | PTB 2025
Автор: The Lecturer Group
Загружено: 2025-09-28
Просмотров: 101
In this lecture, we explain Topic 4.13: Centripetal Force from Chapter 4: Turning Effect of Force, according to the 9th Class Physics PTB 2025 syllabus. Centripetal force is responsible for keeping objects in circular motion. This lecture discusses its concept, formula, and examples — in simple Urdu/Hindi.
📘 Book: Physics Class 9 – Punjab Textbook Board 2025
📚 Chapter: 4 – Turning Effect of Force
📌 Topic: 4.13 – Centripetal Force
📌 Covered in this lecture:
Definition of Centripetal Force
Direction and nature of centripetal force
Formula:
Examples:
Stone tied with a string
Vehicle turning on curved roads
Planets revolving around the Sun
Importance in physics and real life
Urdu explanation with diagrams and animations
This lecture is perfect for board exam preparation and strong concept-building.
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