What is Rotational Motion ?

Rotational motion involves the spinning or turning of an object around an axis. It is characterized by angular displacement, velocity, and acceleration. Moment of inertia measures an object's resistance to rotational changes. Torque is the rotational equivalent of force. Understanding rotational motion is important for analyzing rotating systems and phenomena such as celestial rotation and machinery operation.

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Table of Content

1. Introduction

2. Center of Mass

3. Angular Displacement

4. Angular Velocity

5. Angular Acceleration

6. Equations of Linear Motion and Rotational Motion

7. Moment of Inertia

8. Radius of Gyration

9. Theorem of Parallel Axes

10. Theorem of Perpendicular Axes

11. Moment of Inertia of Two Point Masses about Their Center of Mass

12. Analogy between Translatory Motion and Rotational Motion

13. Moment of Inertia of Some Standard Bodies about Different Axes

14. Torqu

15. Couple

16. Translatory and Rotatory Equilibrium

17. Angular Momentum

18. Law of Conservation of Angular Momentum

19. Work, Energy and Power for Rotating Body

20. Slipping, Spinning and Rolling

21. Rolling Without Slipping

22. Rolling on an Inclined Plane

23. Rolling Sliding and Falling of a Body

24. Velocity, Acceleration and Time for Different Bodies

25. Motion of Connected Mass

26. Time Period of Compound Pendulum