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About the course

This course is for students who want to understand how to solve Moment of Inertia problems for various kinds of rigid shapes and bodies. The shortcut techniques that you learn here will help you to remember and derive all the Moment of Inertia formulas easily and apply them in different situations.

Why this course?

Rotation is one of the most important topics in Physics. Building a good conceptual understanding in the topic will help you solve many problems that appear difficult or complex.

In this course, Dr. Balaji Sampath introduces some useful shortcuts for you to calculate the moment of inertia of different kinds of rigid bodies, shapes and frames. Learning these problem-solving techniques will help you solve problems in this topic very easily.

What does the course contain?

This micro course contains 5 concept lectures and 20 questions with video solutions. You should be able to complete this micro-course in 3 hours. So, with just 3 hours of learning, you can master an important concept that will help you solve many moment of inertia problems.

What you have to do?

You should finish the course in a maximum of 2 sittings over 1 or 2 days. At each sitting, ensure that you see the videos and solve the exercise questions, undisturbed and without distractions.

Please use headphones when you watch the videos and take notes when you see them.

While doing the exercise questions, work it out in your notebook and then enter the answer to see if you got it right.

Working things out yourself is the best and only way to learn Physics.

If you work out all the exercise questions in this course, you will master an extremely useful problem-solving technique in just 3 hours!

Course Topics

  • tick Introduction + Point Mass + Ring
  • tick Using Integration - Continuous Mass Distribution
  • tick Shortcut Formula's
  • tick Parallel Axis Theorem
  • tick Perpendicular Axis Theorem

Register for Sample Lesson

What our students have to say?

“Dr. Balaji Sir's classes are conceptually very clear and his classes are very engaging. I like his way of teaching as it helps me to understand difficult concepts at ease.”


Muhender Raj

Student of AhaGuru for 3 years, since his class 10

“AhaGuru’s online course was the major reason for my good scores in JEE (Mains) and IIT JEE (Advanced). I will always remember the depth to which I understood the concepts of Relative Motion and Newton’s Laws.”


Nithin Seyon Ramesan

All India Rank 3 in JEE

“Balaji Sir is truly a wizard in making difficult concepts of Physics appear easy. His videos are very useful in learning various concepts and problem techniques. The video solutions at the end of each question were very helpful. If you are a serious student of Physics then you should not miss the AhaGuru experience.”


Aniket Murhekar

All India Rank 19 (TN State 1st) in IIT JEE

Frequently Asked Questions

  • Are the AhaGuru courses suitable for CBSE/ICSE school syllabus?

    This course will help students who study in CBSE as well as in ICSE board. It will also help students who are preparing for JEE and NEET and other competitive examinations. Chapters in the textbook which are purely theory will not be covered in this course. For more information about the topics, please check the course description section.

  • How can I track my child’s progress?

    You can track your child’s progress anytime. There is a section called 'My Reports' in the student’s dashboard page. You can see a detailed report about lesson completion as well as performance of your child, in this section.

  • How can the student clear his/her doubts?

    This is a self-study course. Doubt-clearing feature is not included as a part of this course. If you want doubt-clearing as an added feature, you can upgrade from this Self-study Course to our Mentored Learning Program. You can reach out to the AhaGuru support team at 9600100090 to upgrade your course.

  • Can I download the videos?

    Sorry, you will not be able to download the videos or questions from the course. You need to be connected to the internet to view the videos, answer questions and to access the video solutions.

  • What is the refund policy?

    Our refund policy allows for a 7-day window for requesting cancellations or refunds starting from the date of purchase. However, please note that refunds are only applicable if the course has been accessed or if the percentage of videos watched is less than 5% of the total content.

Meet Our Expert Teacher


Dr.Balaji Sampath

All India Rank 4 in IIT JEE 1990

Physics and Maths

Dr. Balaji Sampath, got his B.Tech from IIT Madras and PhD from the University of Maryland. Balaji’s Physics and Math classes focus on conceptual clarity, practical experiments and innovative problem solving techniques. He has helped thousands of students get into IITs, NITs and BITS. Lots of students have reported ‘falling in love with Physics’ because of Balaji’s classes. His popular science demos on Sun TV, his books, videos and teaching methods have inspired lakhs of students. He also founded AID INDIA and Disha Foundation, non-profit initiatives that have educated over a million children. For innovation in Science education, Balaji was awarded Ashoka Fellowship, Lemelson Inventor Certificate, University of Maryland International Alumnus Award and the IIT Madras Distinguished Alumnus Award.

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