Work and Energy Class 9 Physics One Shot Lecture. In this video, we have explained the complete chapter "Work and Energy" for Class 9 CBSE Physics in a single one-shot lecture. 📘 Topics Covered: ✔ Work – definition and types (positive, negative, zero work) ✔ Kinetic Energy (derivation + numericals) ✔ Potential Energy (derivation + numericals) ✔ Law of Conservation of Energy ✔ Important formulas ✔ NCERT & CBSE exam-based questions 🎯 This video is useful for: • Class 9 CBSE students • School exams and unit tests • Revision before exams • Students who want full chapter in one video 📌 Watch till the end for complete understanding. 📌 Like, Share & Subscribe to Study Core for more CBSE Physics videos. 🔔 Subscribe for Class 9–10 Science & Mathematics: #StudyCore #CBSEPhysics #Class9Physics