Stress, Strain & Young’s Modulus Explained | Properties of Matter | Class 9 Physics скачать в хорошем качестве

Stress, Strain & Young’s Modulus Explained | Properties of Matter | Class 9 Physics

In this video, Stress, Strain, and Young’s Modulus are explained in detail from Class 9 Physics, Chapter 7: Properties of Matter. The lecture covers: Definition of stress and deforming force Difference between stress and pressure Definition and formula of strain Units of stress, pressure, and Young’s modulus Relationship between stress and strain Derivation and formula of Young’s modulus Important MCQs and exam-focused points This video is ideal for: Class 9 board preparation Concept clarity for numericals MCQs and long questions Physics fundamentals 00:00 – Introduction & chapter overview 00:20 – Topics: Stress, Strain & Young’s Modulus 01:40 – Definition of Stress 03:20 – Deforming force per unit area 05:00 – Formula of Stress 06:30 – Unit of Stress (Pascal) 07:50 – Stress vs Pressure (Important) 10:00 – What is Deforming Force? 12:20 – Introduction to Strain 14:00 – Definition of Strain 16:00 – Formula of Strain 18:30 – Unit of Strain (Unitless) 20:30 – Relation between Stress & Strain 22:30 – Introduction to Young’s Modulus 24:00 – Statement of Young’s Modulus 26:30 – Mathematical derivation 30:00 – Formula of Young’s Modulus 33:30 – Unit of Young’s Modulus 36:30 – Important MCQs (Units comparison) 40:00 – Summary & exam tips 📘 Subject: Physics 📗 Class: 9 📙 Chapter: Properties of Matter 📌 Topics: Stress, Strain, Young’s Modulus stress and strain,stress strain young modulus class 9,stress,strain,young modulus,properties of matter,deforming force,elasticity,physics numericals,board exam physics,stress strain and youngs modulus,youngs modulus,young's modulus explained,elasticity hooke's law,young's modulus,the knowledge academy