Q1PhysicsUnit 5: Rotational Motion
Which of the following laws are conserved, if the areal acceleration is
zero
Physics · JEE
Important Questions: Rotational Motion for JEE
65+ syllabus-aligned questions available
Quick answer
The most important Rotational Motion questions for JEE cover conceptual traps, standard results, and numerical patterns from Centre of mass of a two-particle system, centre of mass of a rigid body, Basic concepts of rotational motion, moment of a force, torque, angular momentum, conservation of angular momentum and its applications, The moment of inertia, the radius of gyration, values of moments of inertia for simple geometrical objects, Parallel and perpendicular axes theorems and their applications, and more. Goodmarks provides 60+ high-yield MCQs with full solutions.
Focus on what matters most. These important Rotational Motion questions cover high-weightage concepts from Centre of mass of a two-particle system, centre of mass of a rigid body, Basic concepts of rotational motion, moment of a force, torque, angular momentum, conservation of angular momentum and its applications, The moment of inertia, the radius of gyration, values of moments of inertia for simple geometrical objects, Parallel and perpendicular axes theorems and their applications, and more — the topics JEE repeats every year.
JEE Formula Sheet
6+ important formulas for Rotational Motion
Subtopics in Rotational Motion
- Centre of mass of a two-particle system, centre of mass of a rigid body
- Basic concepts of rotational motion, moment of a force, torque, angular momentum, conservation of angular momentum and its applications
- The moment of inertia, the radius of gyration, values of moments of inertia for simple geometrical objects
- Parallel and perpendicular axes theorems and their applications
- Equilibrium of rigid bodies, rigid body rotation and equations of rotational motion, comparison of linear and rotational motions
View Rotational Motion formula sheet — 6+ JEE formulas
Free sample questions
Attempt 8 free MCQs for Rotational Motion. Unlock 57+ more with Pro.
Q2PhysicsUnit 5: Rotational Motion
Two point size bodies of masses
are fixed at two ends of a light rod
of length The moment of inertia of these two bodies about an axis
perpendicular to the length of rod and
passing through their center of mass is:
Q3PhysicsUnit 5: Rotational Motion
Calculate total moment of the two
forces about
Q4PhysicsUnit 5: Rotational Motion
When there is no external torque acting on a body moving in an elliptical path, which of the following quantities remains constant?
Q5PhysicsUnit 5: Rotational Motion
How far from the midpoint of the stick
is the center of mass of the stick-puck
combination after the collision?
Q6PhysicsUnit 5: Rotational Motion
The moment of inertia of a flywheel is which is initially stationary. constant external torque acts on the wheel. The work done by this torque
during 10 sec is:
Q7PhysicsUnit 5: Rotational Motion
A solid sphere is rotating in free space. If the radius of the sphere is increased keeping the mass same without applying any external force, which one of the following will not be affected?
Q8PhysicsUnit 5: Rotational Motion
The vertical forces that the ground
exerts on a stationary van are shown.
The van is long with the wheels
at a distance of from the front
of the van and from the rear of
the van.
What is the horizontal distance of the
van's centre of gravity from the front of the van?
Want unlimited Rotational Motion practice?
Pro unlocks the full question bank, topic filters, and attempt history.
Popular questions in Rotational Motion
- Point where whole weight of body acts vertically is called…
- The moment of inertia of a flywheel is \( 0.2 k g m^{2} \) which is initially stationary. constant external torque \( 5 …
- The motion of centre of mass depends on…
- A swimmer while jumping into water from a height easily forms a loop in air, if…
- is applied to unwind a screw.…
- Point where whole weight of body acts vertically is called…
Frequently asked questions
What makes a Rotational Motion question "important" for JEE?
Important questions test core concepts that appear frequently across JEE Main and Advanced papers — definitions, standard formulas, and classic problem types.
Which subtopics in Rotational Motion are high-weightage?
Key areas include Centre of mass of a two-particle system, centre of mass of a rigid body, Basic concepts of rotational motion, moment of a force, torque, angular momentum, conservation of angular momentum and its applications, The moment of inertia, the radius of gyration, values of moments of inertia for simple geometrical objects, Parallel and perpendicular axes theorems and their applications, and more. Prioritise these before moving to edge cases.
How many important questions should I revise?
Revise 30–50 important MCQs per unit in the last month before JEE. Focus on questions you got wrong at least once.
Can I practise only important questions on Goodmarks?
Pro users can filter by unit and subtopic to target high-yield areas. Free users can attempt sample questions on this page.
Related topics
How to Prepare: Rotational Motion
JEE preparation strategy and study plan
Practice: Rotational Motion
Online Practice
MCQs: Rotational Motion
MCQs
PYQs: Rotational Motion
Previous Year Questions
Mock Test: Rotational Motion
Mock Test
Notes: Rotational Motion
Notes & Formulas
Formulas: Rotational Motion
Formula List
Mistakes: Rotational Motion
Common Mistakes
Weightage: Rotational Motion
Weightage
Revision: Rotational Motion
Revision
Concepts: Rotational Motion
Concepts
Tricks: Rotational Motion
Short Tricks