Just put your concentration on these topics and thick about the levels of question which can be possibly asked from these topics
1.Moment of inertia
2.Torque
3.Previous year non numerical based questions
4.Complete theory part of the chapter
All the best!

Introduction:
Studying the system of particles and rotational motion is an important topic in physics. It deals with the motion of objects that are not only translating but also rotating. In this guide, we will explore the key concepts and methods to study this subject in detail.

Key Concepts:
1. System of Particles: A system of particles refers to a collection of particles that interact with each other. The motion of the system as a whole can be analyzed by considering the motion of individual particles and their interactions.

2. Center of Mass: The center of mass is the average position of all the particles in a system. It can be considered as the point through which the total mass of the system is assumed to be concentrated. The motion of the center of mass can be studied using Newton's laws of motion.

3. Moment of Inertia: The moment of inertia is a measure of the rotational inertia of an object. It depends on the mass distribution and the axis of rotation. The moment of inertia is calculated using the formula I = Σmᵢrᵢ², where mᵢ is the mass of each particle and rᵢ is the perpendicular distance from the axis of rotation.

4. Angular Velocity and Angular Acceleration: Angular velocity (ω) is the rate of change of angular displacement. It is measured in radians per second. Similarly, angular acceleration (α) is the rate of change of angular velocity. These quantities determine the rotational motion of an object.

5. Torque: Torque is the rotational equivalent of force. It is the product of force and the perpendicular distance from the axis of rotation. Torque causes rotational motion and is given by the formula τ = rFsinθ, where r is the distance, F is the force, and θ is the angle between the force and the lever arm.

Methods to Study:
1. Free Body Diagram: Draw a free body diagram of the system to identify all the forces acting on the particles. This helps in analyzing the forces responsible for the translational and rotational motion.

2. Equations of Motion: Apply the equations of motion to both the translational and rotational motion. Newton's second law can be used to determine the acceleration and net force acting on the system, while the rotational analogs can be used to find the angular acceleration and torque.

3. Conservation Laws: Utilize conservation laws such as the conservation of linear momentum and the conservation of angular momentum to solve problems involving system of particles and rotational motion. These principles provide valuable insights into the overall motion and interactions within the system.

4. Energy Considerations: Take into account the energy considerations in the system. The total mechanical energy of a system is the sum of its kinetic energy and potential energy. By analyzing energy transformations and transfers, one can understand the behavior of the system.

Conclusion:
Studying the system of particles and rotational motion involves understanding the concepts of center of mass, moment of inertia, angular velocity, torque, and applying methods such as free body diagrams, equations of motion, conservation laws, and energy considerations. By mastering these concepts and techniques, one can effectively analyze and solve problems related to this