Conditions of Equilibrium | 9th Class Physics Chapter 4 | PTB 2025

This video explains the important topic “Conditions of Equilibrium” from Chapter 4: Turning Effect of Force of the 9th Class Physics PTB 2025 syllabus. Learn about the two key conditions that must be satisfied for a body to be in complete equilibrium — explained in simple Urdu/Hindi for better understanding. 📘 Book: Physics Class 9 – Punjab Textbook Board 2025 📚 Chapter: 4 – Turning Effect of Force 📌 Topic 4.9: Conditions of Equilibrium 📌 What’s covered in this lecture: Definition of Equilibrium First Condition of Equilibrium (ΣF = 0) Second Condition of Equilibrium (ΣT = 0) Explanation with diagrams Examples: Bridge, Ladder, Table, See-saw Importance in real-world applications 🎯 This video helps build strong concepts for board exams and daily life physics. 📌 Don't forget to Like, Comment, and Subscribe to The Lecturer Group for more topic-wise lectures. #ConditionsOfEquilibrium #TurningEffectOfForce #9thClassPhysics #PhysicsChapter4 #PTB2025 #PhysicsInUrdu #TheLecturerGroup #StaticEquilibrium