NEET 2026 Physics: Rotational Motion LEC - 1 (Class 11th Chapter - 7) by Nishant Sir

Nishant Sir begins Rotational Motion for Class 11 Physics, focusing on the important concept of centre of mass with both NCERT theory and NEET-level questions. Students learn how to calculate the centre of mass for discrete particles and continuous bodies, with stepwise formulas, key examples like rings, rods, spheres, hemispheres, and cones, and tips to remember special cases. The session also covers practice problems, concepts like velocity and acceleration of centre of mass, and strategies for NEET 2026.
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⏰ 𝐓𝐢𝐦𝐞𝐬𝐭𝐚𝐦𝐩𝐬:-
00:00 – Start & Session Overview
01:24 – Introduction to Rotational Motion
03:45 – Collision Types Review
05:24 – Kinetic Energy in Collisions
12:10 – Center of Mass Basics
16:49 – COM for Discrete Systems
22:29 – COM for Continuous Bodies
34:17 – COM Problems & Practice
46:18 – Advanced COM Questions
56:13 – Motion Under Gravity
01:00:28 – Center of Mass of a Ring
01:03:14 – Negative Mass Concept
01:05:23 – COM of Removed Mass
01:09:53 – Course & Revision Plan
01:11:27 – Class Wrap-Up & Homework