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Chapter 6PhysicsCBSE Class 11

System of Particles and Rotational Motion

System of Particles and Rotational Motion is Chapter 6 of NCERT Class 11 Physics. The chapter covers Introduction, Centre of Mass, Motion of Centre of Mass, Linear Momentum of a System of Particles, and more. Use this public guide to revise the official topic structure before asking Lerno for step-by-step help.

12 topicsChapter 6 of 14
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Topics covered

12 sections
01

Introduction

IntroductionWhat kind of motion can a rigid body have?
02

Centre of Mass

Introduction
03

Motion of Centre of Mass

Introduction
04

Linear Momentum of a System of Particles

Introduction
05

Vector Product of Two Vectors

Introduction
06

Angular Velocity and Its Relation with Linear Velocity

IntroductionAngular acceleration
07

Torque and Angular Momentum

IntroductionMoment of force (Torque)Angular Momentum of a Particle
08

Equilibrium of a Rigid Body

IntroductionPrinciple of momentsCentre of Gravity
09

Moment of Inertia

Introduction
10

Kinematics of Rotational Motion About a Fixed Axis

Introduction
11

Dynamics of Rotational Motion About a Fixed Axis

Introduction
12

Angular Momentum in Case of Rotation About a Fixed Axis

IntroductionConservation of angular momentum

Key concepts

IntroductionCentre of MassMotion of Centre of MassLinear Momentum of a System of ParticlesVector Product of Two VectorsAngular Velocity and Its Relation with Linear VelocityTorque and Angular MomentumEquilibrium of a Rigid BodyIntroductionWhat kind of motion can a rigid body have?

Practice questions

Frequently asked

What is covered in System of Particles and Rotational Motion?

System of Particles and Rotational Motion is Chapter 6 in NCERT Class 11 Physics. The verified chapter structure includes Introduction, Centre of Mass, Motion of Centre of Mass, Linear Momentum of a System of Particles, Vector Product of Two Vectors.

How should I revise System of Particles and Rotational Motion?

Revise the chapter topic by topic: start with Introduction, Centre of Mass, Motion of Centre of Mass, then practice questions that mix definitions, examples, and application steps.

Can I use Lerno for Class 11 Physics questions?

Yes. Lerno is built for CBSE students and uses NCERT-grounded context so students can ask for explanations, practice prompts, and step-by-step guidance for this chapter.

Study prompts

1

Explain Introduction from System of Particles and Rotational Motion and give one NCERT-style example or practice step.

2

Explain Centre of Mass from System of Particles and Rotational Motion and give one NCERT-style example or practice step.

3

Explain Motion of Centre of Mass from System of Particles and Rotational Motion and give one NCERT-style example or practice step.

4

Explain Linear Momentum of a System of Particles from System of Particles and Rotational Motion and give one NCERT-style example or practice step.

5

Explain Vector Product of Two Vectors from System of Particles and Rotational Motion and give one NCERT-style example or practice step.

6

Explain Angular Velocity and Its Relation with Linear Velocity from System of Particles and Rotational Motion and give one NCERT-style example or practice step.

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Practice QuestionsChapter-wise NCERT-aligned questionsSolutions GuideStep-by-step approach per topicChapter ExplanationTopic map for structured revision

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