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Lec 07 | Unit 03 | Dynamics | Class 9 Physics | ZS Sciences In this lecture, we clearly explain the difference between force and weight according to the Class 9 Physics syllabus. Students often get confused between these two important concepts of Dynamics, but in this video, everything is explained in a simple, conceptual, and step-by-step method. 🔹 What is Force? Force is a push or pull that can change the shape, direction, or state of motion of a body. It is a vector quantity and is measured in Newton (N). 🔹 What is Weight? Weight is a specific type of force. It is the force of gravity acting on a body. Weight = m × g It also has direction (towards the center of the Earth). 🔎 Key Differences Between Weight and Force Force Weight A push or pull acting on a body Gravitational force acting on a body Can be applied in any direction Always acts downward (towards Earth’s center) Represented by F Represented by W Formula: F = ma Formula: W = mg Unit: Newton (N) Unit: Newton (N) 🎯 In this lecture, you will learn: Clear definitions with examples Formula explanation Real-life applications Concept-building for exams Important points for board preparation This video is specially designed for Class 9 students to strengthen their understanding of Unit 03: Dynamics and to prepare effectively for exams. 📚 ZS Sciences – Conceptual Learning from Basics to Advanced Level.