Class 11: Physics in FOCUS: System of Particles and Rotational Motion.

This article from Physics For You provides a technical overview of the topic of System of Particles and Rotational Motion. It explains the concept of the center of mass and how it can be calculated for different systems of particles. The article also discusses the equilibrium of a rigid body and the principle of moments. It provides information on the position of the center of mass for different shapes of bodies and introduces the concepts of angular velocity, torque, and angular momentum. The article concludes with a discussion on rolling motion and the kinetic energy associated with it, including formulas and equations for calculating the velocity, acceleration, and time taken by a rolling object on an inclined plane. This document serves as a valuable resource for understanding the physics of rolling motion. [Extracted from the article]