Rotational Motion — JEE Main Previous Year Questions

How many JEE Main questions come from Rotational Motion?

Rotational Motion has contributed 234 questions to Joint Entrance Examination (Main) papers between 2016 and 2026 — an average of about 21 questions a year. That count is measured from EByAi’s bank of 55,289 JEE Main questions, not estimated from a syllabus. Every one of the 234 questions carries a written, step-by-step solution, and each is tagged to Rotational Motion within Physics, so you can drill this chapter across every year at once instead of hunting through paper PDFs. Practising a chapter’s full PYQ history is the fastest way to learn the patterns examiners reuse.

Sample Rotational Motion questions from real JEE Main papers

These are 5 real questions from the bank — exactly as asked, with the answer one tap away. All 234 Rotational Motion questions (with full written solutions) are available in practice.

1. Question 1 · JEE Main 2025

   The moment of inertia of a circular ring of mass M and diameter r about a tangential axis lying in the plane of the ring is :
   1. (A)$\frac{3}{8}{\mathrm{Mr}}^2$
   2. (B)$2{\mathrm{Mr}}^2$
   3. (C)$\frac{1}{2}{\mathrm{Mr}}^2$
   4. (D)$\frac{3}{2}{\mathrm{Mr}}^2$
   Show answerAnswer

   Answer: (A) $\frac{3}{8}{\mathrm{Mr}}^2$

2. Question 2 · JEE Main 2025

   A rod of linear mass density 'λ' and length 'L' is bent to form a ring of radius 'R'. Moment of inertia of ring about any of its diameters is:
   1. (A)$\frac{\lambda L^3}{8{\pi }^2}$
   2. (B)$\frac{\lambda L^3}{16{\pi }^2}$
   3. (C)$\frac{\lambda L^3}{4{\pi }^2}$
   4. (D)$\frac{\lambda L^3}{12}$
   Show answerAnswer

   Answer: (A) $\frac{\lambda L^3}{8{\pi }^2}$

3. Question 3 · JEE Main 2025

   A solid sphere is rolling without slipping on a horizontal plane. The ratio of the linear kinetic energy of the centre of mass of the sphere and rotational kinetic energy is :
   1. (A)$\frac{3}{4}$
   2. (B)$\frac{4}{3}$
   3. (C)$\frac{5}{2}$
   4. (D)$\frac{2}{5}$
   Show answerAnswer

   Answer: (C) $\frac{5}{2}$

4. Question 4 · JEE Main 2022

   A solid spherical ball is rolling on a frictionless horizontal plane surface about its axis of symmetry. The ratio of rotational kinetic energy of the ball to its total kinetic energy is
   1. (A)$$\frac{2}{5}$$
   2. (B)$$\frac{2}{7}$$
   3. (C)$$\frac{1}{5}$$
   4. (D)$$\frac{7}{10}$$
   Show answerAnswer

   Answer: (B) $\frac{2}{7}$

5. Question 5 · JEE Main 2021

   A body rolls down an inclined plane without slipping. The kinetic energy of rotation is 50% of its translational kinetic energy. The body is :
   1. (A)Solid sphere
   2. (B)Solid cylinder
   3. (C)Hollow cylinder
   4. (D)Ring
   Show answerAnswer

   Answer: (B) Solid cylinder

Rotational Motion questions by year

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