--- type: "Book" knowledge_type: "book" entity_type: "book" id: "66ae541b191fdf5766655b8c" title: "Physics Part - I" board: "CBSE" curriculum: "CBSE" class_id: "66ab5807ffbb5019db72215c" class: "Class 11" class_name: "Class 11" class_slug: "class-11" class_canonical_url: "https://www.edzy.ai/cbse-class-11" class_markdown_url: "https://www.edzy.ai/okf/class/cbse-class-11.md" subject_id: "66ab5c44543b6f461d7a9d1b" subject: "Physics" subject_slug: "class-11-physics" subject_canonical_url: "https://www.edzy.ai/cbse-class-11-physics" subject_markdown_url: "https://www.edzy.ai/okf/subject/cbse-class-11-physics.md" book: "Physics Part - I" book_slug: "physics-part-i" canonical_url: "https://www.edzy.ai/cbse-class-11-physics-physics-part-i" markdown_url: "https://www.edzy.ai/okf/book/cbse-class-11-physics-physics-part-i.md" source_type: "examSubjectBook" source_id: "66ae541b191fdf5766655b8c" source: "Edzy" chapter_count: "7" topic_count: "66" version: "1" last_updated: "2026-06-24" svg_icon: "https://edzy-ai.s3.ap-south-1.amazonaws.com/academic/class-11/66ae541b191fdf5766655b8c.svg" book_svg_icon: "https://edzy-ai.s3.ap-south-1.amazonaws.com/academic/class-11/66ae541b191fdf5766655b8c.svg" subject_svg_icon: "https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/3e3a6c4e-fd6e-4c41-90c5-79ae9e8bf649.svg" color_name: "Steel Blue" color_light_foreground: "#4A70A9" color_light_background: "#E4EFFF" color_dark_foreground: "#4A70A9" color_dark_background: "#1E2E44" --- Physics Part - I is a CBSE Class 11 book for the subject Physics on Edzy. ## Knowledge Snapshot | Field | Details | | :------------ | :------------------------------- | | Board | CBSE | | Curriculum | CBSE | | Class | Class 11 | | Subject | Physics | | Book | Physics Part - I | | Book Slug | physics-part-i | | Chapter Count | 7 | | Topic Count | 66 | | Last Updated | 2026-06-24 | --- ## Book Overview This book belongs to Class 11 and covers the subject Physics under the CBSE board and curriculum. It contains 7 chapters and 66 topics. --- ## OKF Hierarchy | Level | Title | Canonical URL | Markdown URL | | :------ | :------------------------------- | :-------------------------------------- | :-------------------------------------- | | Class | Class 11 | https://www.edzy.ai/cbse-class-11 | https://www.edzy.ai/okf/class/cbse-class-11.md | | Subject | Physics | https://www.edzy.ai/cbse-class-11-physics | https://www.edzy.ai/okf/subject/cbse-class-11-physics.md | | Book | Physics Part - I | https://www.edzy.ai/cbse-class-11-physics-physics-part-i | https://www.edzy.ai/okf/book/cbse-class-11-physics-physics-part-i.md | --- ## Chapter Index | No. | Chapter | Pages | Page Count | Topics | Canonical URL | Markdown URL | | :-------------- | :-------------- | :---------------------------------------- | :------------------------ | :--------------------------------- | :---------------------- | :--------------------- | | 1 | UNITS AND MEASUREMENTS | 1-12 | 12 | 6 | https://www.edzy.ai/cbse-class-11-physics-physics-part-i-units-and-measurements | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-units-and-measurements.md | | 2 | MOTION IN A STRAIGHT LINE | 13-28 | 16 | 5 | https://www.edzy.ai/cbse-class-11-physics-physics-part-i-motion-in-a-straight-line | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-motion-in-a-straight-line.md | | 3 | MOTION IN A PLANE | 27-48 | 22 | 10 | https://www.edzy.ai/cbse-class-11-physics-physics-part-i-motion-in-a-plane | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-motion-in-a-plane.md | | 4 | LAWS OF MOTION | 49-70 | 22 | 11 | https://www.edzy.ai/cbse-class-11-physics-physics-part-i-laws-of-motion | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-laws-of-motion.md | | 5 | WORK, ENERGY AND POWER | 71-91 | 21 | 12 | https://www.edzy.ai/cbse-class-11-physics-physics-part-i-work-energy-and-power | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-work-energy-and-power.md | | 6 | SYSTEM OF PARTICLES AND ROTATIONAL MOTION | 92-126 | 35 | 11 | https://www.edzy.ai/cbse-class-11-physics-physics-part-i-system-of-particles-and-rotational-motion | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-system-of-particles-and-rotational-motion.md | | 7 | GRAVITATION | 127-143 | 17 | 9 | https://www.edzy.ai/cbse-class-11-physics-physics-part-i-gravitation | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-gravitation.md | --- ## Chapter Source Index | No. | Chapter | Source PDF | | :-------------- | :-------------- | :---------- | | 1 | UNITS AND MEASUREMENTS | https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/c8e64e9d-6bb8-4b72-a817-e9aad5ec49a5.pdf | | 2 | MOTION IN A STRAIGHT LINE | https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/91389c49-e07d-4b79-ae65-f56b36cec224.pdf | | 3 | MOTION IN A PLANE | https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/4194ad48-3b49-4ff0-a4d6-f0f66c2f8f04.pdf | | 4 | LAWS OF MOTION | https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/6fe25981-5045-4140-a4f0-46fd1b16171f.pdf | | 5 | WORK, ENERGY AND POWER | https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/8943194e-6bdf-445e-b4f3-18f8dc58ef46.pdf | | 6 | SYSTEM OF PARTICLES AND ROTATIONAL MOTION | https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/c71d69be-2eea-4d37-97cb-23ed9c4ebc3d.pdf | | 7 | GRAVITATION | https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/0dcfe4d9-1401-43fe-8e8e-a14a4add2ff3.pdf | --- ## Topic Inventory | No. | Topic ID | Topic | | :-- | :--------------------- | :------------------------------- | | 1 | 69abcf8ba243cecf9685e771 | INTRODUCTION | | 2 | 69abcf8ba243cecf9685e773 | THE INTERNATIONAL SYSTEM OF UNITS | | 3 | 69abcf8ba243cecf9685e775 | SIGNIFICANT FIGURES | | 4 | 69abcf8ba243cecf9685e777 | DIMENSIONS OF PHYSICAL QUANTITIES | | 5 | 69abcf8ba243cecf9685e779 | DIMENSIONAL FORMULAE AND DIMENSIONAL EQUATIONS | | 6 | 69abcf8ba243cecf9685e77b | DIMENSIONAL ANALYSIS AND ITS APPLICATIONS | | 7 | 69abcfc2a243cecf9685f9fa | Introduction | | 8 | 69abcfc2a243cecf9685f9fe | Instantaneous velocity and speed | | 9 | 69abcfc2a243cecf9685fa01 | Acceleration | | 10 | 69abcfc2a243cecf9685fa03 | Kinematic equations for uniformly accelerated motion | | 11 | 69abcfc2a243cecf9685fa05 | Relative velocity | | 12 | 69abcfd5a243cecf9685fd37 | INTRODUCTION | | 13 | 69abcfd5a243cecf9685fd49 | UNIFORM CIRCULAR MOTION | | 14 | 69abcfd5a243cecf9685fd39 | SCALARS AND VECTORS | | 15 | 69abcfd5a243cecf9685fd3b | MULTIPLICATION OF VECTORS BY REAL NUMBERS | | 16 | 69abcfd5a243cecf9685fd3d | ADDITION AND SUBTRACTION OF VECTORS — GRAPHICAL METHOD | | 17 | 69abcfd5a243cecf9685fd3f | RESOLUTION OF VECTORS | | 18 | 69abcfd5a243cecf9685fd41 | VECTOR ADDITION — ANALYTICAL METHOD | | 19 | 69abcfd5a243cecf9685fd43 | MOTION IN A PLANE | | 20 | 69abcfd5a243cecf9685fd45 | MOTION IN A PLANE WITH CONSTANT ACCELERATION | | 21 | 69abcfd5a243cecf9685fd47 | PROJECTILE MOTION | | 22 | 69abd012a243cecf96860e7f | INTRODUCTION | | 23 | 69abd012a243cecf96860e91 | CIRCULAR MOTION | | 24 | 69abd012a243cecf96860e93 | SOLVING PROBLEMS IN MECHANICS | | 25 | 69abd012a243cecf96860e81 | ARISTOTLE’S FALLACY | | 26 | 69abd012a243cecf96860e83 | THE LAW OF INERTIA | | 27 | 69abd012a243cecf96860e85 | NEWTON’S FIRST LAW OF MOTION | | 28 | 69abd012a243cecf96860e87 | NEWTON’S SECOND LAW OF MOTION | | 29 | 69abd012a243cecf96860e89 | NEWTON’S THIRD LAW OF MOTION | | 30 | 69abd012a243cecf96860e8b | CONSERVATION OF MOMENTUM | | 31 | 69abd012a243cecf96860e8d | EQUILIBRIUM OF A PARTICLE | | 32 | 69abd012a243cecf96860e8f | COMMON FORCES IN MECHANICS | | 33 | 69abd00aa243cecf96860c87 | INTRODUCTION | | 34 | 69abd00aa243cecf96860c8b | The Scalar Product | | 35 | 69abd00aa243cecf96860c9d | Power | | 36 | 69abd00aa243cecf96860c9f | Collisions | | 37 | 69abd00aa243cecf96860c8d | Notions of work and kinetic energy : The work-energy theorem | | 38 | 69abd00aa243cecf96860c8f | Work | | 39 | 69abd00aa243cecf96860c91 | Kinetic energy | | 40 | 69abd00aa243cecf96860c93 | Work done by a variable force | | 41 | 69abd00aa243cecf96860c95 | The work-energy theorem for a variable force | | 42 | 69abd00aa243cecf96860c97 | The concept of potential energy | | 43 | 69abd00aa243cecf96860c99 | The conservation of mechanical energy | | 44 | 69abd00aa243cecf96860c9b | The potential energy of a spring | | 45 | 69abd050a243cecf96861cf7 | INTRODUCTION | | 46 | 69abd050a243cecf96861d09 | KINEMATICS OF ROTATIONAL MOTION ABOUT A FIXED AXIS | | 47 | 69abd050a243cecf96861d0b | DYNAMICS OF ROTATIONAL MOTION ABOUT A FIXED AXIS | | 48 | 69abd050a243cecf96861d0d | ANGULAR MOMENTUM IN CASE OF ROTATION ABOUT A FIXED AXIS | | 49 | 69abd050a243cecf96861cf9 | CENTRE OF MASS | | 50 | 69abd050a243cecf96861cfb | MOTION OF CENTRE OF MASS | | 51 | 69abd050a243cecf96861cfd | LINEAR MOMENTUM OF A SYSTEM OF PARTICLES | | 52 | 69abd050a243cecf96861cff | VECTOR PRODUCT OF TWO VECTORS | | 53 | 69abd050a243cecf96861d01 | ANGULAR VELOCITY AND ITS RELATION WITH LINEAR VELOCITY | | 54 | 69abd050a243cecf96861d03 | TORQUE AND ANGULAR MOMENTUM | | 55 | 69abd050a243cecf96861d05 | EQUILIBRIUM OF A RIGID BODY | | 56 | 69abd050a243cecf96861d07 | MOMENT OF INERTIA | | 57 | 69abd039a243cecf9686188b | INTRODUCTION | | 58 | 69abd039a243cecf9686189d | ENERGY OF AN ORBITING SATELLITE | | 59 | 69abd039a243cecf9686188d | KEPLER’S LAWS | | 60 | 69abd039a243cecf9686188f | UNIVERSAL LAW OF GRAVITATION | | 61 | 69abd039a243cecf96861891 | THE GRAVITATIONAL CONSTANT | | 62 | 69abd039a243cecf96861893 | ACCELERATION DUE TO GRAVITY OF THE EARTH | | 63 | 69abd039a243cecf96861895 | ACCELERATION DUE TO GRAVITY BELOW AND ABOVE THE SURFACE OF EARTH | | 64 | 69abd039a243cecf96861897 | GRAVITATIONAL POTENTIAL ENERGY | | 65 | 69abd039a243cecf96861899 | ESCAPE SPEED | | 66 | 69abd039a243cecf9686189b | EARTH SATELLITES | --- ## Chapter-Wise Topic Map ### UNITS AND MEASUREMENTS | No. | Topic ID | Topic | | :-- | :--------------------- | :------------------------------- | | 1 | 69abcf8ba243cecf9685e771 | INTRODUCTION | | 2 | 69abcf8ba243cecf9685e773 | THE INTERNATIONAL SYSTEM OF UNITS | | 3 | 69abcf8ba243cecf9685e775 | SIGNIFICANT FIGURES | | 4 | 69abcf8ba243cecf9685e777 | DIMENSIONS OF PHYSICAL QUANTITIES | | 5 | 69abcf8ba243cecf9685e779 | DIMENSIONAL FORMULAE AND DIMENSIONAL EQUATIONS | | 6 | 69abcf8ba243cecf9685e77b | DIMENSIONAL ANALYSIS AND ITS APPLICATIONS | ### MOTION IN A STRAIGHT LINE | No. | Topic ID | Topic | | :-- | :--------------------- | :------------------------------- | | 1 | 69abcfc2a243cecf9685f9fa | Introduction | | 2 | 69abcfc2a243cecf9685f9fe | Instantaneous velocity and speed | | 3 | 69abcfc2a243cecf9685fa01 | Acceleration | | 4 | 69abcfc2a243cecf9685fa03 | Kinematic equations for uniformly accelerated motion | | 5 | 69abcfc2a243cecf9685fa05 | Relative velocity | ### MOTION IN A PLANE | No. | Topic ID | Topic | | :-- | :--------------------- | :------------------------------- | | 1 | 69abcfd5a243cecf9685fd37 | INTRODUCTION | | 2 | 69abcfd5a243cecf9685fd49 | UNIFORM CIRCULAR MOTION | | 3 | 69abcfd5a243cecf9685fd39 | SCALARS AND VECTORS | | 4 | 69abcfd5a243cecf9685fd3b | MULTIPLICATION OF VECTORS BY REAL NUMBERS | | 5 | 69abcfd5a243cecf9685fd3d | ADDITION AND SUBTRACTION OF VECTORS — GRAPHICAL METHOD | | 6 | 69abcfd5a243cecf9685fd3f | RESOLUTION OF VECTORS | | 7 | 69abcfd5a243cecf9685fd41 | VECTOR ADDITION — ANALYTICAL METHOD | | 8 | 69abcfd5a243cecf9685fd43 | MOTION IN A PLANE | | 9 | 69abcfd5a243cecf9685fd45 | MOTION IN A PLANE WITH CONSTANT ACCELERATION | | 10 | 69abcfd5a243cecf9685fd47 | PROJECTILE MOTION | ### LAWS OF MOTION | No. | Topic ID | Topic | | :-- | :--------------------- | :------------------------------- | | 1 | 69abd012a243cecf96860e7f | INTRODUCTION | | 2 | 69abd012a243cecf96860e91 | CIRCULAR MOTION | | 3 | 69abd012a243cecf96860e93 | SOLVING PROBLEMS IN MECHANICS | | 4 | 69abd012a243cecf96860e81 | ARISTOTLE’S FALLACY | | 5 | 69abd012a243cecf96860e83 | THE LAW OF INERTIA | | 6 | 69abd012a243cecf96860e85 | NEWTON’S FIRST LAW OF MOTION | | 7 | 69abd012a243cecf96860e87 | NEWTON’S SECOND LAW OF MOTION | | 8 | 69abd012a243cecf96860e89 | NEWTON’S THIRD LAW OF MOTION | | 9 | 69abd012a243cecf96860e8b | CONSERVATION OF MOMENTUM | | 10 | 69abd012a243cecf96860e8d | EQUILIBRIUM OF A PARTICLE | | 11 | 69abd012a243cecf96860e8f | COMMON FORCES IN MECHANICS | ### WORK, ENERGY AND POWER | No. | Topic ID | Topic | | :-- | :--------------------- | :------------------------------- | | 1 | 69abd00aa243cecf96860c87 | INTRODUCTION | | 2 | 69abd00aa243cecf96860c8b | The Scalar Product | | 3 | 69abd00aa243cecf96860c9d | Power | | 4 | 69abd00aa243cecf96860c9f | Collisions | | 5 | 69abd00aa243cecf96860c8d | Notions of work and kinetic energy : The work-energy theorem | | 6 | 69abd00aa243cecf96860c8f | Work | | 7 | 69abd00aa243cecf96860c91 | Kinetic energy | | 8 | 69abd00aa243cecf96860c93 | Work done by a variable force | | 9 | 69abd00aa243cecf96860c95 | The work-energy theorem for a variable force | | 10 | 69abd00aa243cecf96860c97 | The concept of potential energy | | 11 | 69abd00aa243cecf96860c99 | The conservation of mechanical energy | | 12 | 69abd00aa243cecf96860c9b | The potential energy of a spring | ### SYSTEM OF PARTICLES AND ROTATIONAL MOTION | No. | Topic ID | Topic | | :-- | :--------------------- | :------------------------------- | | 1 | 69abd050a243cecf96861cf7 | INTRODUCTION | | 2 | 69abd050a243cecf96861d09 | KINEMATICS OF ROTATIONAL MOTION ABOUT A FIXED AXIS | | 3 | 69abd050a243cecf96861d0b | DYNAMICS OF ROTATIONAL MOTION ABOUT A FIXED AXIS | | 4 | 69abd050a243cecf96861d0d | ANGULAR MOMENTUM IN CASE OF ROTATION ABOUT A FIXED AXIS | | 5 | 69abd050a243cecf96861cf9 | CENTRE OF MASS | | 6 | 69abd050a243cecf96861cfb | MOTION OF CENTRE OF MASS | | 7 | 69abd050a243cecf96861cfd | LINEAR MOMENTUM OF A SYSTEM OF PARTICLES | | 8 | 69abd050a243cecf96861cff | VECTOR PRODUCT OF TWO VECTORS | | 9 | 69abd050a243cecf96861d01 | ANGULAR VELOCITY AND ITS RELATION WITH LINEAR VELOCITY | | 10 | 69abd050a243cecf96861d03 | TORQUE AND ANGULAR MOMENTUM | | 11 | 69abd050a243cecf96861d05 | EQUILIBRIUM OF A RIGID BODY | | 12 | 69abd050a243cecf96861d07 | MOMENT OF INERTIA | ### GRAVITATION | No. | Topic ID | Topic | | :-- | :--------------------- | :------------------------------- | | 1 | 69abd039a243cecf9686188b | INTRODUCTION | | 2 | 69abd039a243cecf9686189d | ENERGY OF AN ORBITING SATELLITE | | 3 | 69abd039a243cecf9686188d | KEPLER’S LAWS | | 4 | 69abd039a243cecf9686188f | UNIVERSAL LAW OF GRAVITATION | | 5 | 69abd039a243cecf96861891 | THE GRAVITATIONAL CONSTANT | | 6 | 69abd039a243cecf96861893 | ACCELERATION DUE TO GRAVITY OF THE EARTH | | 7 | 69abd039a243cecf96861895 | ACCELERATION DUE TO GRAVITY BELOW AND ABOVE THE SURFACE OF EARTH | | 8 | 69abd039a243cecf96861897 | GRAVITATIONAL POTENTIAL ENERGY | | 9 | 69abd039a243cecf96861899 | ESCAPE SPEED | | 10 | 69abd039a243cecf9686189b | EARTH SATELLITES | --- ## Important Book Facts * The book belongs to Class 11. * The subject is Physics. * The board is CBSE. * The curriculum is CBSE. * The book contains 7 supplied chapters. * The metadata contains 66 supplied topics. --- ## Related OKF Entities | Entity Type | Title | Markdown URL | | :---------- | :------------------------------- | :-------------------------------------- | | Class | Class 11 | https://www.edzy.ai/okf/class/cbse-class-11.md | | Subject | Physics | https://www.edzy.ai/okf/subject/cbse-class-11-physics.md | | Chapter | UNITS AND MEASUREMENTS | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-units-and-measurements.md | | Chapter | MOTION IN A STRAIGHT LINE | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-motion-in-a-straight-line.md | | Chapter | MOTION IN A PLANE | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-motion-in-a-plane.md | | Chapter | LAWS OF MOTION | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-laws-of-motion.md | | Chapter | WORK, ENERGY AND POWER | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-work-energy-and-power.md | | Chapter | SYSTEM OF PARTICLES AND ROTATIONAL MOTION | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-system-of-particles-and-rotational-motion.md | | Chapter | GRAVITATION | https://www.edzy.ai/okf/chapter/cbse-class-11-physics-physics-part-i-gravitation.md | --- ## Source Attribution | Field | Value | | :------------- | :------------------------------- | | Source | Edzy | | Reference Type | examSubjectBook | | Reference ID | 66ae541b191fdf5766655b8c | | Book ID | 66ae541b191fdf5766655b8c | | Canonical URL | https://www.edzy.ai/cbse-class-11-physics-physics-part-i | | Markdown URL | https://www.edzy.ai/okf/book/cbse-class-11-physics-physics-part-i.md | | Last Updated | 2026-06-24 |