Class 11 Physics Unit 4 | Rotational & Circular Motion | Complete Chapter One Shot | FBISE

*Class 11 Physics Unit 4 | Rotational & Circular Motion | Complete Chapter One Shot | Lecture 7* Video Description Welcome to *Lecture 7 of Class 11 Physics* on **The Grammar of Science**. In this *One Shot Video**, we cover **Unit 4 — Rotational and Circular Motion* in a clear, conceptual, and exam-focused way. This lecture is designed according to the *National Book Foundation (NBF) / Federal Board Class 11 Physics syllabus* and is useful for students preparing according to the **new exam pattern**. 📚 Topics Covered *4.1 — Rotational Kinematics* Angular displacement Angular velocity Angular acceleration Equations of rotational motion Relation between linear and angular quantities *4.2 — Centripetal Acceleration & Centripetal Force* Circular motion Centripetal acceleration Centripetal force Direction of centripetal force Applications and important concepts *4.3 — Moment of Inertia* Concept of moment of inertia Factors affecting moment of inertia Distribution of mass about the axis of rotation Importance in rotational motion *4.4 — Angular Momentum* Definition of angular momentum Angular momentum of a rotating body Conservation of angular momentum Important applications *4.5 — Torque & Angular Acceleration* Concept of torque Factors affecting torque Relation between torque and angular acceleration Rotational form of Newton's Second Law *4.6 — Weightlessness in Satellite* Meaning of weightlessness Why astronauts experience weightlessness Weightlessness inside an orbiting satellite Free-fall explanation *4.7 — Artificial Gravity* Concept of artificial gravity Artificial gravity in rotating spacecraft Role of circular motion Importance during long-duration space travel ⏱️ Time Codes / Chapters *00:00 — Introduction* *05:11 — 4.1 Rotational Kinematics* *47:50 — 4.2 Centripetal Acceleration & Centripetal Force* *01:19:59 — 4.3 Moment of Inertia* *01:40:34 — 4.4 Angular Momentum* *01:25:59— 4.5 Torque & Angular Acceleration* *02:11:52 — 4.6 Weightlessness in Satellite* *02:16:38 — 4.7 Artificial Gravity* 📌 *Class:* 11 / HSSC-I 📌 *Subject:* Physics 📌 *Unit:* 4 — Rotational and Circular Motion 📌 *Lecture:* 7 📌 *Board:* Federal Board / FBISE 📌 *Textbook:* National Book Foundation (NBF) If this lecture helps you, make sure to *Like, Share and Subscribe to The Grammar of Science* for complete Class 11 Physics lectures, numericals, MCQs, short questions, and exam preparation. #Class11Physics #RotationalMotion #CircularMotion #Unit4Physics #CentripetalForce #MomentOfInertia #AngularMomentum #Torque #Weightlessness #ArtificialGravity #FederalBoard #FBISE #NBFPhysics #TheGrammarOfScience #nationalbookfoundation #physics #fedralboard