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Chapter 4PhysicsCBSE Class 11

Laws of Motion

Laws of Motion is Chapter 4 of NCERT Class 11 Physics. The chapter covers Introduction, Aristotle's Fallacy, The Law of Inertia, Newton's First Law of Motion, and more. Use this public guide to revise the official topic structure before asking Lerno for step-by-step help.

11 topicsChapter 4 of 14
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Topics covered

11 sections
01

Introduction

Introduction
02

Aristotle's Fallacy

Introduction
03

The Law of Inertia

Introduction
04

Newton's First Law of Motion

Introduction
05

Newton's Second Law of Motion

Introduction
06

Newton's Third Law of Motion

Introduction
07

Conservation of Momentum

Introduction
08

Equilibrium of a Particle

Introduction
09

Common Forces in Mechanics

IntroductionFriction
10

Circular Motion

Introduction
11

Solving Problems in Mechanics

Introduction

Key concepts

IntroductionAristotle's FallacyThe Law of InertiaNewton's First Law of MotionNewton's Second Law of MotionNewton's Third Law of MotionConservation of MomentumEquilibrium of a ParticleIntroductionFriction

Practice questions

Frequently asked

What is covered in Laws of Motion?

Laws of Motion is Chapter 4 in NCERT Class 11 Physics. The verified chapter structure includes Introduction, Aristotle's Fallacy, The Law of Inertia, Newton's First Law of Motion, Newton's Second Law of Motion.

How should I revise Laws of Motion?

Revise the chapter topic by topic: start with Introduction, Aristotle's Fallacy, The Law of Inertia, 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 Laws of Motion and give one NCERT-style example or practice step.

2

Explain Aristotle's Fallacy from Laws of Motion and give one NCERT-style example or practice step.

3

Explain The Law of Inertia from Laws of Motion and give one NCERT-style example or practice step.

4

Explain Newton's First Law of Motion from Laws of Motion and give one NCERT-style example or practice step.

5

Explain Newton's Second Law of Motion from Laws of Motion and give one NCERT-style example or practice step.

6

Explain Newton's Third Law of Motion from Laws of 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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