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Physics - Rotational Motion

Practise 153 AP EAMCET previous year questions on Rotational Motion, compiled from papers spanning 2001 to 2025. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty AP EAMCET tests.

Rotational Motion has been asked in 23 of the 24 years of AP EAMCET papers analysed (2001–2024), with 153 questions in all. 37% of them were easy, 44% moderate and 19% tough. Most of its questions came from 2021, with 25 questions that year. In the last three years (2022–2024) it had 37 questions across 28 papers, about 1.3 per paper.

The chapter's 6 topics are not weighted equally: Moment of inertia of rigid bodies (51 questions, 33%), Rotational kinematics (41 questions, 27%), and Angular momentum and Angular impulse (26 questions, 17%) have been asked the most. Moment of inertia of rigid bodies has also led over the last five years, with 25 questions. Moment of inertia of rigid bodies has produced the most tough questions (9).

  1. 1The angular velocity of a body changes from to in a time of 1.5 s. If the moment of inertia of the body is , then the rate of change of angu27 May, 2025 (M)Torque
  2. 2The moment of inertia of a solid cylinder of mass 2.5 kg and radius 10 cm about its axis is26 May, 2025 (M)Moment of inertia of rigid bodies
  3. 3A circular disc of diameter 0.8 m and mass 4 kg is rolling on a smooth horizontal plane. If 2.56 N m torque is acting on the disc, then its 26 May, 2025 (E)Torque
  4. 4A solid sphere and a solid cylinder have same mass and same radius. The ratio of the moment of inertia of the solid sphere about its diamete26 May, 2025 (E)Moment of inertia of rigid bodies
  5. 5If a solid sphere is rolling without slipping on a horizontal plane, then the ratio of its rotational and total kinetic energies is24 May, 2025 (M)Rotational kinematics
  6. 6As shown in the figure, two thin coplanar circular discs and each of mass ' ' and radius ' r ' are attached to form a rigid body. The moment24 May, 2025 (M)Moment of inertia of rigid bodies
  7. 7Radius of gyration of a thin uniform rod of length ' ' about an axis passing through its centre and perpendicular to its length is23 May, 2025 (M)Moment of inertia of rigid bodies
  8. 8A thin circular ring and a circular disc of equal mass are rolling without sliding. If their linear velocities are equal and the total kinet23 May, 2025 (M)Rotational kinematics
  9. 9A circular disc of mass 20 kg and radius 1 m is rotating about an axis passing through its center and perpendicular to its plane with an ang23 May, 2025 (E)Rotational kinematics
  10. 10A thin uniform circular disc rolls with a constant velocity without slipping on a horizontal surface. Its total kinetic energy is22 May, 2025 (M)Rotational kinematics
  11. 11Three thin uniform rods each of mass M and length L are placed along the three axes of a cartesian coordinate system with one end of all the22 May, 2025 (M)Moment of inertia of rigid bodies
  12. 12A solid sphere of mass 4 kg and radius 28 cm is on an inclined plane. If the acceleration of the sphere when it rolls down without sliding i22 May, 2025 (E)Rolling without Slipping
  13. 13If the radius of gyration of a thin circular ring about an axis passing through its centre and perpendicular to its plane is , then its radi21 May, 2025 (M)Moment of inertia of rigid bodies
  14. 14If a wheel starting from rest is rotating with an angular acceleration of , then the number of rotations made by the wheel in the first 6 se21 May, 2025 (M)Rotational kinematics
  15. 15Ratio of angular velocity of hour hand of a watch and the angular velocity of rotation of earth is21 May, 2025 (E)Rotational kinematics
  16. 16The moment of inertia of a solid sphere about its diameter is . The moment of inertia of a thin spherical shell having the same mass and rad23 May, 2024 (M)Moment of inertia of rigid bodies
  17. 17One ring, one solid sphere and one solid cylinder are rolling down on same inclined plane starting from rest. The radius of all the thee are23 May, 2024 (M)Rolling without Slipping
  18. 18A uniform metal solid sphere is rotating with angular speed about diameter. If the temperature is raised by , the angular speed will be [giv23 May, 2024 (M)Angular momentum and Angular impulse
  19. 19The moment of inertia of a rod about an axis passing through its centre and perpendicular to its length is , where is the mass and is the le22 May, 2024 (M)Moment of inertia of rigid bodies
  20. 20A uniform rod of length ' ' is placed with one end in contact with the earth and is then inclined at an angle to the horizontal and allowed 22 May, 2024 (M)Rotational kinematics
  21. 21A ring and a disc of same mass and same diameter are rolling without slipping. Their linear velocities are same, then the ratio of their kin22 May, 2024 (E)Rotational kinematics
  22. 22The masses of a solid cylinder and a hollow cylinder are 3.2 kg and 1.6 kg respectively. Both the solid cylinder and hollow cylinder start f21 May, 2024 (M)Rolling without Slipping
  23. 23A solid sphere of mass 50 kg and radius 20 cm is rotating about its diameter with an angular velocity of 420 rpm . The angular momentum of t21 May, 2024 (M)Angular momentum and Angular impulse
  24. 24A solid cylinder rolls down on an inclined plane of height ' ' and inclination ' '. The speed of the cylinder at the bottom is21 May, 2024 (E)Rolling without Slipping
  25. 25Three particles of each mass ' ' are kept at the three vertices of an equilateral triangle of side ' 1 '. The moment of inertia of system of21 May, 2024 (E)Moment of inertia of rigid bodies
  26. 26The moment of inertia of a solid sphere of mass 20 kg and diameter 20 cm about the tangent to the sphere is20 May, 2024 (M)Moment of inertia of rigid bodies
  27. 27A solid cylinder rolls down an inclined plane without slipping. If the translational kinetic energy of the cylinder is 140 J , the total kin19 May, 2024 (E)Rolling without Slipping
  28. 28The moments of inertia of a solid cylinder and a hollow cylinder of same mass and same radius about the axes of the cylinders are and . The 18 May, 2024 (M)Moment of inertia of rigid bodies
  29. 29A wheel of angular speed is made to slow down at a rate of . The number of revolutions made by the wheel before coming to rest is18 May, 2024 (M)Rotational kinematics
  30. 30A solid sphere of mass is rolling without slipping on a horizontal surface with a velocity . The rotational kinetic energy of the sphere is19 May, 2023 (M)Rotational kinematics
  31. 31A solid sphere and a solid cylinder roll down without slipping along an inclined plane. If they start from rest from the top of the inclined19 May, 2023 (M)Rolling without Slipping
  32. 32A body rotating with uniform acceleration about its geometrical axis makes 8 rotations in the first 2 seconds. The number of rotations the b17 May, 2023 (M)Rotational kinematics
  33. 33A solid sphere is pushed on a horizontal surface such that it slides with a speed initially without rolling. The sphere will start rolling w17 May, 2023 (M)Angular momentum and Angular impulse
  34. 34A spherical portion of radius is removed from a solid sphere of radius such that the centre of the removed portion is same as the centre of 17 May, 2023 (E)Moment of inertia of rigid bodies
  35. 35A circular disc of moment of inertia is rotating with angular speed about an axis passing through its centre and perpendicular to its plane.17 May, 2023 (E)Torque
  36. 36The angular momentum of a solid cylinder rotating about its geometric axis with angular speed is . If the radius of the cylinder is , the ma16 May, 2023 (M)Angular momentum and Angular impulse
  37. 37Three particles of each mass ' ' are kept at the three vertices of an equilateral triangle. If is the moment of inertia of the system of the16 May, 2023 (E)Moment of inertia of rigid bodies
  38. 38A force of acts on a particle whose position vector with respect to the origin of the coordinate system is . If the angular momentum of the 15 May, 2023 (M)Angular momentum and Angular impulse
  39. 39The range of a projectile of weight is . The average torque on the projectile between the initial and final positions and about the point of15 May, 2023 (M)Torque
  40. 40The angular peed of a rigid body rotating about a fixed axis is . The angle through which the body rotates before it comes to rest is15 May, 2023 (E)Rotational kinematics
  41. 41A body is located at and experiences a force of in the direction . The torque acting on the body in is08 Jul, 2022 (M)Torque
  42. 42The moment of inertia of a thin uniform rectangular plate of mass ' ', having length ' ' and width ' ' about an axis perpendicular to the pl08 Jul, 2022 (M)Moment of inertia of rigid bodies
  43. 43If the earth suddenly shrinks to of its original volume, while keeping the same mass, then the duration of the day will be (Assume earth is 07 Jul, 2022 (M)Angular momentum and Angular impulse
  44. 44A wheel is rotating freely at some angular speed. A second wheel initially at rest and with thrice the rotational inertia of the first, is s07 Jul, 2022 (M)Rolling without Slipping
  45. 45A uniform rod of length is placed with one end in contact with the horizontal table and is then inclined at an angle to the horizontal and a07 Jul, 2022 (E)Rotational kinematics
  46. 46A wheel undergoes a constant acceleration starting from rest at . The angular velocity of the wheel is when . The accelerator is abruptly ce07 Jul, 2022 (E)Rotational kinematics
  47. 47Assertion (A) : When a uniform metallic rod rotating about perpendicular bisector with constant angular speed is heated uniformly to raise i06 Jul, 2022 (M)Moment of inertia of rigid bodies
  48. 48A block of mass is hanging by a rope tied to a rotating solid disc of mass and radius as shown in the figure. If is the angular acceleration06 Jul, 2022 (E)Rotational kinematics
  49. 49A solid cylinder of radius is at rest at a height on an inclined plane. If it rolls down then its velocity on reaching the ground is05 Jul, 2022 (M)Rolling without Slipping
  50. 50The angular momentum of a wheel having a rotational inertia of about its symmetric axis decreases from 4 to in . The average power of the wh05 Jul, 2022 (E)Angular momentum and Angular impulse

Frequently Asked Questions

1.How many questions are available for Rotational Motion?

This chapter includes 153 questions compiled from AP EAMCET papers spanning 2001 to 2025.

2.Are these questions only from AP EAMCET, or from other exams too?

These are AP EAMCET questions specifically for the Rotational Motion chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Rotational Motion an important chapter for AP EAMCET Physics?

Rotational Motion has appeared in 24 of the 25 years of AP EAMCET papers covered here, with 153 questions across 86 papers - about 2 per paper it appears in.

4.What is the difficulty level of Rotational Motion questions in AP EAMCET?

Of the 153 questions analysed for this chapter, 37% are easy, 44% moderate and 19% tough. 2021 had the most, with 25 questions.

5.Which topics in Rotational Motion should I focus on?

These topics have carried the most weightage in Rotational Motion:

  • Moment of inertia of rigid bodies - 51 questions (33%)
  • Rotational kinematics - 41 questions (27%)
  • Angular momentum and Angular impulse - 26 questions (17%)
  • Moment of inertia of rigid bodies has produced the most tough questions (9).
6.Is Rotational Motion's weightage in AP EAMCET going up or down?

Across all 86 papers analysed, Rotational Motion has averaged about 1.8 questions per paper. In the last three years (2022–2024), that average has fallen, at about 1.3 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.