Скачать или смотреть Class 9th motion lec-17 | Equations of motion |Algebraical Derivation| CBSE|JEE/NEET Pre-foundation

Welcome to The Phusis 🎓✨

This is Lecture 17 of our Class 9 Motion Chapter series. In this lecture, we will cover one of the most important topics of the Motion chapter – Equations of Motion and their Derivations. These equations are the backbone of Kinematics and are widely used in solving numerical problems in Class 9, Class 11, and competitive exams like JEE & NEET.

📌 What Are Equations of Motion?

Equations of motion are the three mathematical relations that connect the displacement (s), velocity (u & v), acceleration (a), and time (t) of a body moving with uniform acceleration.

The three equations are:
1️⃣ v = u + at → Final velocity after time t
2️⃣ s = ut + ½at² → Displacement in time t
3️⃣ v² – u² = 2as → Relation between velocities, acceleration, and displacement

✅ What You Will Learn in This Lecture:

Concept of uniform acceleration

Derivation of all three equations of motion using:
📌 Graphical method (most preferred for NCERT & CBSE exams)
📌 Algebraic method (step-by-step explanation)

Physical significance of each equation

NCERT examples and solved questions

Tricks to remember the equations for exams

Practice problems to strengthen your understanding

🎯 Importance of Equations of Motion

✔ Basis for Class 11 Kinematics
✔ Used in almost every numerical problem on motion
✔ Helps in solving questions on free fall, projectile motion, relative motion
✔ Strengthens logical thinking and problem-solving skills

🌟 Why Watch This Lecture?

✔ Complete NCERT coverage with clear explanation
✔ Graphical derivation with step-by-step diagrams
✔ Helpful for CBSE, ICSE, State Boards, NTSE, Olympiads
✔ Builds a strong foundation for JEE/NEET Physics
✔ Includes extra solved examples and numericals

📚 Topics Covered in Motion Playlist (So Far):

Distance & Displacement

Speed & Velocity

Average Speed & Average Velocity

Uniform & Non-Uniform Motion

Displacement–Time Graph & Velocity–Time Graph

Acceleration & Types of Acceleration

Graphical Representation of Motion

Numericals on Graphs

Equations of Motion + Derivation (This Lecture)

🔔 About The Phusis

Hi, I’m Satyam Pandey, founder of The Phusis. My mission is to make Physics simple, fun, and exam-oriented for every student. On my channel, you’ll find:
📖 Complete NCERT Class 9 to 12 Physics Lectures
📝 Question Banks, Case Studies & PYQs
⚡ Foundation Courses for JEE/NEET Aspirants
💡 Real-life Applications of Physics

Don’t forget to Like 👍, Share ↗️ & Subscribe 🔔 to The Phusis for regular lectures. Comment your doubts, and I’ll cover them in upcoming videos.

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