NEET UG · Physics · System of Particles and Rotational Motion

Rotational Motion: NEET previous year questions

21 questions in ten years of NEET, in 10 of 10 papers. Pattern: Every year. Here is how it is asked and which ideas come back.

Asked in 10 years: 21; about 2.0 per paper
Years asked: 10/10; last asked 2026
Chance of a question next paper: 84%; historical rate, how we compute it
Weighted estimate: 2.0; model; history: 2.0 a paper on average, typically 1–3

Key findings

01
Asked in 10 of 10 papers, 21 questions in all: #10 of 204 topics by ten-year total.
02
53% of its questions since 2018 tested an idea never asked before; 3 repeated an idea from the year before.
03
The most repeated idea is Moment of Inertia of Standard Bodies, asked 3 times (2018, 2021, 2024), usually as “order of work to stop rotating bodies”.
04
NEET has asked 0 of the 13 ideas in this topic; 0 have never been asked, directly or indirectly.
05
Mostly asked as numerical (62%); 38% easy, 5% hard, and up from 1.9 to 2.3 questions a paper since 2024.

Questions per year

Up to 2023: 1.9; per paper
Since 2024: 2.3; +0.3
Usual gap: 1.0 yrs; between papers asking it
Swing: ±0.8; questions, year to year

Recent framings

ratio of angular momentum about two points
difference of moments of inertia about two axes
numerical: moment of inertia ratio of cut sphere

Revise first

Parallel and Perpendicular Axis Theorems (2025 2026); Rotational Equilibrium (2021 2025); Moment of Inertia of Standard Bodies (2018 2021 2024)

How it is asked

Difficulty, format and skill

Across all 21 questions on Rotational Motion since 2017.

Difficulty

QUESTIONS

812

Easy8 · 38%
Medium12 · 57%
Hard1 · 5%

Format

Numerical · 13 Q62%
One-line MCQ · 7 Q33%
Figure-based · 1 Q5%

Skill tested

Calculation · 10 Q48%
Multi-step · 6 Q29%
Concept · 4 Q19%
Application · 1 Q5%

Repeats

New idea, or one asked before?

Each column is a paper. Blue questions tested an idea NEET had not asked before; navy ones went back to an idea from an earlier paper. 2017 is the first paper, so everything in it counts as new.

’17’18’19’20’21’22’23’24’25’26

Idea asked for the first time
Idea asked in an earlier paper

Coverage of the topic

NEET has asked 0 of the 13 ideas in this topic. 0 have never been asked yet.

Asked directly0 · 0%
Touched inside another question13 · 100%
Never asked0 · 0%

Ideas come from Lumi’s syllabus map of NCERT. A never-asked idea is not a safe skip: most new questions come from exactly these.

Drill down

Idea, year, question

Every idea NEET tested in this topic, with its ten papers. Open one to read the questions.

ideaAskedShareYears’17’18’19’20’21’22’23’24’25’26

Repeated3 · 14%14%3/10
- 2024 · Q27
  The moment of inertia of a thin rod about an axis passing through its mid point and perpendicular to the rod is 2400 g cm $^2$ . The length…
  easyNumerical
- 2021 · Q36
  From a circular ring of mass 'M' and radius 'R' an arc corresponding to a 90° sector is removed. The moment of inertia of the remaining…
  mediumOne-line MCQ
- 2018 · Q31
  Three objects, A : (a solid sphere), B : (a thin circular disk) and C : (a circular ring), each have the same mass M and radius R. They…
  mediumOne-line MCQNew idea
Repeated2 · 10%10%2/10
Repeated2 · 10%10%2/10
Repeated2 · 10%10%2/10
Repeated2 · 10%10%2/10
Repeated2 · 10%10%2/10
Repeated2 · 10%10%2/10
Repeated2 · 10%10%2/10
1 · 5%5%1/10
1 · 5%5%1/10
1 · 5%5%1/10
1 · 5%5%1/10

Squares are the ten papers, 2017 to 2026; darker means more questions. Share is of the level above.

Ideas

Every idea inside this topic

12 different ideas were tested; 8 came more than once.

Moment of Inertia of Standard Bodies3×
order of work to stop rotating bodies
One-line MCQ · 6% next
Parallel and Perpendicular Axis Theorems2×
difference of moments of inertia about two axes
Figure-based · 11% next
Conservation of Angular Momentum2×
quantity conserved when body shape changes
Numerical · 6% next
Rotational Equilibrium2×
numerical
Numerical · 6% next
Rotational Kinematics2×
direction of angular acceleration
Numerical · 6% next
Torque as a Cross Product2×
numerical
Numerical · 4% next
Kinetic Energy of Rolling Bodies2×
numerical
Numerical · 4% next
Torque and Angular Acceleration2×
numerical
Numerical · 4% next
Angular Momentum about Different Points1×
ratio of angular momentum about two points
Numerical · 6% next
Velocities of Points on a Rolling Wheel1×
compare speeds of points on rolling wheel
One-line MCQ · 6% next
Radius of Gyration1×
ratio of radii of gyration of disc
One-line MCQ · 4% next
Coupled Rotating Bodies1×
numerical
One-line MCQ · 4% next

Idea	Times	Format	Chance next	Foundation for
Moment of Inertia of Standard Bodiesorder of work to stop rotating bodies	3	One-line MCQCalculation	6%	–
Parallel and Perpendicular Axis Theoremsdifference of moments of inertia about two axes	2	Figure-basedApplication	11%	–
Conservation of Angular Momentumquantity conserved when body shape changes	2	NumericalConcept	6%	–
Rotational Equilibriumnumerical	2	NumericalCalculation	6%	–
Rotational Kinematicsdirection of angular acceleration	2	NumericalCalculation	6%	–
Torque as a Cross Productnumerical	2	NumericalCalculation	4%	–
Kinetic Energy of Rolling Bodiesnumerical	2	NumericalCalculation	4%	–
Torque and Angular Accelerationnumerical	2	NumericalCalculation	4%	–
Angular Momentum about Different Pointsratio of angular momentum about two points	1	NumericalConcept	6%	–
Velocities of Points on a Rolling Wheelcompare speeds of points on rolling wheel	1	One-line MCQConcept	6%	–
Radius of Gyrationratio of radii of gyration of disc	1	One-line MCQCalculation	4%	–
Coupled Rotating Bodiesnumerical	1	One-line MCQMulti-step	4%	–

Chance next is the historical rate at which an idea with this record came back in the following paper. It is low for every idea, which is why learning the topic beats memorising past questions. All repeated ideas

Every question

Rotational Motion questions, year by year

The opening words of each question as it appeared in the official paper, with the idea it tested.

NEET 20262 questions

Q27
A solid sphere A of radius R and mass M is attached at a point to a smaller solid sphere B of radius $r<R$ and mass $m<M$ . Assume that the…
Idea: Parallel and Perpendicular Axis Theorems
Asked last yearMediumNumerical · figure
Q31
A thin horizontal disc is rotating about a vertical axis passing through its fixed centre O. Its angular momentum is $L_A$ and $L_B$ …
Idea: Angular Momentum about Different Points
New ideaMediumNumerical · figure

NEET 20253 questions

Q17
The Sun rotates around its centre once in 27 days. What will be the period of revolution if the Sun were to expand to twice its present…
Idea: Conservation of Angular Momentum
MediumNumerical
Q22
A uniform rod of mass 20 kg and length 5 m leans against a smooth vertical wall making an angle of 60° with it. The other end rests on a…
Idea: Rotational Equilibrium
MediumNumerical
Q39
A sphere of radius $R$ is cut from a larger solid sphere of radius $2R$ as shown in the figure. The ratio of the moment of inertia of the…
Idea: Parallel and Perpendicular Axis Theorems
New ideaHardFigure-based · figure

NEET 20242 questions

Q1
A wheel of a bullock cart is rolling on a level road as shown in the figure below. If its linear speed is $v$ in the direction shown,…
Idea: Velocities of Points on a Rolling Wheel
New ideaEasyOne-line MCQ · figure
Q27
The moment of inertia of a thin rod about an axis passing through its mid point and perpendicular to the rod is 2400 g cm $^2$ . The length…
Idea: Moment of Inertia of Standard Bodies
EasyNumerical

NEET 20231 question

Q15
The angular acceleration of a body, moving along the circumference of a circle, is :
Idea: Rotational Kinematics
Asked last yearEasyOne-line MCQ

NEET 20222 questions

Q12
The angular speed of a fly wheel moving with uniform angular acceleration changes from 1200 rpm to 3120 rpm in 16 seconds. The angular…
Idea: Rotational Kinematics
New ideaEasyNumerical
Q16
The ratio of the radius of gyration of a thin uniform disc about an axis passing through its centre and normal to its plane to the radius…
Idea: Radius of Gyration
New ideaMediumOne-line MCQ

NEET 20212 questions

Q36
From a circular ring of mass 'M' and radius 'R' an arc corresponding to a 90° sector is removed. The moment of inertia of the remaining…
Idea: Moment of Inertia of Standard Bodies
MediumOne-line MCQ
Q43
A uniform rod of length 200 cm and mass 500 g is balanced on a wedge placed at 40 cm mark. A mass of 2 kg is suspended from the rod at 20…
Idea: Rotational Equilibrium
New ideaMediumNumerical · figure

NEET 20201 question

Q149
Find the torque about the origin when a force of $3\hat{j}$ N acts on a particle whose position vector is $2\hat{k}$ m.
Idea: Torque as a Cross Product
EasyNumerical

NEET 20192 questions

Q9
A disc of radius 2 m and mass 100 kg rolls on a horizontal floor. Its centre of mass has speed of 20 cm/s. How much work is needed to stop…
Idea: Kinetic Energy of Rolling Bodies
Asked last yearMediumNumerical
Q21
A solid cylinder of mass 2 kg and radius 4 cm is rotating about its axis at the rate of 3 rpm. The torque required to stop after 2π…
Idea: Torque and Angular Acceleration
MediumNumerical

NEET 20184 questions

Q31
Three objects, A : (a solid sphere), B : (a thin circular disk) and C : (a circular ring), each have the same mass M and radius R. They…
Idea: Moment of Inertia of Standard Bodies
New ideaMediumOne-line MCQ
Q36
The moment of the force, $\vec{F} = 4\hat{i} + 5\hat{j} - 6\hat{k}$ at (2, 0, – 3), about the point (2, – 2, – 2), is given by
Idea: Torque as a Cross Product
New ideaEasyNumerical
Q38
A solid sphere is rotating freely about its symmetry axis in free space. The radius of the sphere is increased keeping its mass same.…
Idea: Conservation of Angular Momentum
New ideaEasyOne-line MCQ
Q41
A solid sphere is in rolling motion. In rolling motion a body possesses translational kinetic energy ( $K_t$ ) as well as rotational kinetic…
Idea: Kinetic Energy of Rolling Bodies
New ideaMediumNumerical

NEET 20172 questions

Q39
Two discs of same moment of inertia rotating about their regular axis passing through centre and perpendicular to the plane of disc with…
Idea: Coupled Rotating Bodies
MediumOne-line MCQ
Q41
A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of the cylinder if the rope is…
Idea: Torque and Angular Acceleration
EasyNumerical

Questions from the official NEET UG papers published by NTA (CBSE before 2019). Topic and idea tags, counts and notes are Lumi’s.