Class 11 | Rotational Motion | L 12 | Rotational motion about a fixed axis | IIT-JEE MAINS NEET CBSE

This is lecture 12 of Rotational Motion. In this video, I will discuss about rotational motion of rigid body physics class 11 00:00 introduction 01:20 formulae of Rotational Motion about FIXED AXIS OF ROTATION 14:24 Dynamics of Rotational Motion about FIXED AXIS OF ROTATION 15:41 derivation of angular momentum of point mass about FIXED AXIS OF ROTATION 18:28 derivation of angular momentum of rigid body about FIXED AXIS OF ROTATION 23;21 Newton's 2nd Law of Rotational Motion for point mass about FIXED AXIS OF ROTATION 27:25 Newton's 2nd Law of Rotational Motion for rigid body about FIXED AXIS OF ROTATION 33:44 Angular Impulse 35:06 relation between rotational kinetic energy and angular momentum 38:28 Rotational Kinetic Energy of point mass about FIXED AXIS OF ROTATION 40:58 Rotational Kinetic Energy of rigid body about FIXED AXIS OF ROTATION about FIXED AXIS OF ROTATION 45:21 Work done by Torque in rotation This playlist explains rotational motion concepts such as angular displacement, velocity, & acceleration as well as torque, moment of inertia, rotational kinetic energy, and the parallel axis theorem. Here is a list of topics: 1. Rotational Dynamics - Introduction / Basic Overview 2. Arc Length of a Circle, Angle Measure in Radians & Radius 3. Angular Displacement Formula - Arc Length 4. Angular Velocity / Speed Equation - Rate of Change of Angular Displacement 5. Units of Angular Speed - rad/s or radians per second 6. Angular Speed vs Tangential Velocity 7. Angular Acceleration and Tangential Acceleration Formula 8. Rotational Kinematic Equations - Initial & Final Angular Speed, Acceleration, Displacement 9. How to Determine Linear and Angular Displacement 10. Rotational Torque, Force, Lever Arm / Moment Arm & Line of Action 11. Positive vs Negative Torque - Clockwise vs Counterclockwise Direction 12. Compound Wheel Problem With Multiple Forces - How to Calculate the Net or Sum of all Torques 13. Seesaw Physics Problem - Multiple Torques & Forces - Lever arm / distance from fulcrum or pivot point 14. Rotational Equivalent of Newton's First Law of Motion and Law of Rotational Inertia 15. Definition of Rotational Inertia - Natural Tendency of an object to resist changes in its state of motion - Resistance to Rotation 16. Rotational Equivalent of Newton's Second Law 17. Torque equals Inertia x Angular Acceleration 18. Inertia of a Disk, Rod, and Sphere Formulas 19. Rotational Work, Torque, and Angular Displacement Formul 20. Rotational Power, Torque, Angular Velocity Formula 21. Work Equals Change in Rotational Kinetic Energy 22. Calculating the inertia of a system of particles or blocks of mass 23. Inertia Formula I=MR^2 24. Parallel Axis Theorem Formula I=Icm+MD^2 25. Linear vs Angular Momentum Formula 26. Angular Momentum Equals moment of Inertia times Angular Velocity 27. Torque is the rate of change of angular momentum per unit time 28. Conservation of angular Momentum Problems - Turntable & Merry go round problems 29. Sphere on Incline - Conservation of Energy Problems 30. Gravitational Potential Energy, Translational Kinetic Energy and Rotational Kinetic Energy Equations 31. Block of Mass Attached to Pulley / Disk - Find Acceleration Using Tension Force & Conservation of Energy 32. Frictional Torque, Block of Mass, Pulleys, Disk & Tension 33. Pulley With Mass Attached to a Hanging Mass and Another Mass on a Frictionless Horizontal Surface 34. Pulley / Disk with Radius Attached to 2 hanging mass - find acceleration 35. Incline With Pulley / Circular Disk with Hanging Mass and a Mass on Incline with Coefficient of Kinetic Friction - Determine the acceleration of the system 36. Kinematics of pure rolling motion 37. Dynamics of pure rolling motion 38. Angular momentum when body is both in translational motion and rotational motion 39. Kinetic Energy when body is both in translational motion and rotational motion 40. Kinematics and Dynamics of a rigid body under the influence of both translational motion and rotational motion