LEC-15 | Depression in Beam Due to its Own Weight: Full Derivation & Concept | B.Sc Physics NEP 2020

Depressiin in centrally loaded beam due to its own weight Download IC Sir Physics App from Google Play Store for Notes , E - Book , Latest Videos , Questions ,Tests etc. Download the app and start learning! https://play.google.com/store/apps/de... Welcome to Lecture 15 of our Physics series! In this video, we break down the fundamental concept and derivation of "Depression in Beam Due to Its Own Weight." Learn why structural beams experience sag/bending even without an external load applied, understand the governing differential equations, boundary conditions, and see how this plays a vital role in real-world engineering and structural design. 📌 What You Will Learn in This Lecture: • What causes depression in a beam due to self-weight? • Step-by-step mathematical derivation of depression (δ). • Difference between point load vs. uniformly distributed self-weight. • Key exam points for B.Sc Physics, B.Tech Civil/Mechanical & JEE. ⏱ Timestamps: 0:00 - Introduction & The Real-World Mystery 0:45 - Key Assumptions in Beam Bending 02:15 - Derivation: Depression Due to Self Weight 08:30 - Boundary Conditions & Integration 12:10 - Final Formula & Practical Applications 14:40 - Summary & Practice Problems 🔔 Subscribe to Sir Physics for complete chapter-wise lectures, derivations, and problem-solving strategies! #Physics #DepressionInBeam #MechanicsOfSolids #EngineeringPhysics #BScPhysics #SirPhysics