Rolling Motion as Pure Rotation about Instantaneous Axis of Rotation (IAR)

Rolling Motion as Pure Rotation about Instantaneous Axis of Rotation (IAR)

In this video, we explain Rolling Motion as Pure Rotation about the Instantaneous Axis of Rotation (IAR) in a simple, logical, and exam-focused way for NEET & JEE aspirants.

Many students get confused in rolling motion while applying formulas of velocity, acceleration, torque, and energy. This lecture clears that confusion by proving how rolling without slipping can be treated as pure rotation about the point of contact, known as the Instantaneous Axis of Rotation (IAR).

🔹 What you will learn in this video:
• What is Instantaneous Axis of Rotation (IAR)
• Why rolling motion is pure rotation about IAR
• Velocity of different points in a rolling body
• Why velocity of point of contact is zero
• Application of IAR in numerical problems
• Important NEET & JEE concepts and shortcuts

🎯 This concept is frequently asked in NEET & JEE, and understanding IAR will make rolling motion easy, logical, and mistake-free.

📌 Best for:
• NEET 2025 / JEE Main & Advanced aspirants
• Class 11 & 12 Physics students
• Students struggling with rolling motion numericals

👉 Watch till the end to build a rock-solid concept that will help you solve questions confidently in exams.

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