Momentum, Collision, Torque and Rotation:

Lesson Summaries

(20 Downloadable PDF Files)

Designed for quick reference and deep understanding, this all-inclusive set of 20 professionally structured, easy-to-download PDF lesson summaries brings clarity to the essential concepts of motion.

Each PDF covers not just the core ideas, but also includes:

✔️ All key equations for each topic

✔️ Guidance on when and how to use each equation

✔️ Important cautions and "things to watch out for" when applying formulas

✔️ Clarifications of common misconceptions to strengthen your understanding

Topics Covered:

1. What is Center of Mass in a System of Particles?
2. How to Apply Newton’s Second Law to a System of Particles?
3. Impulse and Momentum – How Force Changes Momentum in Collisions
4. Elastic & Inelastic Collision.The Law of Conservation of Linear Momentum
5. Elastic Collision Equations – Step-by-Step Derivation and Explanation
6. What is the Tsiolkovsky Rocket Equation?
7. Angular Variables in Rotation
8. Constant Angular Acceleration: Equations of Rotational Motion
9. Moment of Inertia and The Parallel Axis Theorem
10. What is Torque in Physics and How to Find The Direction of Torque
11. Newton's Second Law of Motion in Rotation
12. Kinetic Energy of Rotating Bodies
13. Rotational Dynamics
14. Rolling Motion in Physics – Definition, Examples, and Key Conditions
15. How Rotational and Translational Kinetic Energy Work in Rolling Motion?
16. What is Torque? The Key to Understanding Rotational Motion
17. Newton’s Second Law for Rotation – Understanding Angular Momentum
18. How to Calculate Angular Momentum of a Rotating Rigid Body?
19. What is Conservation of Angular Momentum?
20. What is Equilibrium in Physics? Static vs Dynamic

When to Use These PDFs:

• For quick and efficient revision before tests and exams
• As a study companion alongside your classroom lessons
• To revisit and reinforce key concepts during self-study
• When you need a structured, refresher in momentum conservation, collision rotational dynamics and equilibrium in physics

Who Should Use This Resource:

• Grade 11 and 12 Physics students
• AP Physics students
• Competitive exam aspirants (IIT JEE, SAT Physics, NEET Physics)
• Physics enthusiasts eager to deepen their conceptual understanding
• Teachers seeking high-quality, ready-to-use classroom supplements