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Class 11 Physics — Chapter 7: System of Particles and Rotational Motion Online Test

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Class 11 Physics: System of Particles and Rotational Motion Online Test (Paper 1)

Welcome to Paper 1! This is your foundation to build confidence and get you ready to tackle the challenges ahead.

  • Total Questions: 20
  • Time Allotted: 30 minutes
  • Passing Score: 40%
  • Randomization: No
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 20

1. Which energy distribution makes a body accelerate faster down an incline?

2 / 20

2. Which of the following is an application of rolling motion in daily life?

3 / 20

3. In rolling without slipping, the fraction of total energy in rotational form for a solid cylinder is:

4 / 20

4. For a body rolling without slipping, the condition linking linear acceleration and angular acceleration is:

5 / 20

5. A wheel of radius 0.5 m rolls without slipping with angular speed . What is the speed of its center of mass?

6 / 20

6. The phenomenon of accretion disks around black holes is strongly influenced by:

7 / 20

7. Which law connects torque and angular momentum?

8 / 20

8. If the torque acting on a body is constant, the work done by the torque after an angular displacement is:

9 / 20

9. If the torque acting on a wheel is zero, what will be the angular acceleration of the wheel?

10 / 20

10. Using parallel axis theorem, what is the moment of inertia of a disc of mass and radius about an axis tangent to the disc and lying in its plane?

11 / 20

11. Which of the following steps is important in the proof of the perpendicular axis theorem?

12 / 20

12. Which of the following steps is essential in the proof of the parallel axis theorem?

13 / 20

13. For a rectangular lamina of length and breadth , the perpendicular axis theorem can be applied to relate:

14 / 20

14. Moment of inertia of a thin rectangular plate of length , breadth , and mass about an axis through its center and perpendicular to its plane is:

15 / 20

15. What is the SI unit of moment of inertia?

16 / 20

16. What does the moment of inertia of a body represent?

17 / 20

17. Why are loaded ships designed with ballast at the bottom?

18 / 20

18. If a uniform rod is balanced horizontally on a knife edge at its midpoint, it is in:

19 / 20

19. A planet revolving around the sun in an elliptical orbit conserves:

20 / 20

20. Which equation correctly relates angular velocity , linear velocity , and radius of circular motion?

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Class 11 Physics: System of Particles and Rotational Motion Online Test (Paper 2)

Welcome to Paper 2! You’ve mastered the basics, and now it’s time to test your understanding with a more challenging set of questions.

Get new questions on each attempt

  • Total Questions: 30
  • Time Allotted: 45 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 30

1. What is the main function of rolling motion in conveyor belt rollers?

2 / 30

2. In the analogy between linear and rotational motion, angular displacement corresponds to:

3 / 30

3. What happens to the angular acceleration of a flywheel if the applied torque is doubled while keeping the moment of inertia constant?

4 / 30

4. Which law relates torque to angular acceleration?

5 / 30

5. Which quantity remains unchanged when internal forces act inside a system of particles?

6 / 30

6. For a rolling sphere, the point of contact with the ground has what velocity relative to the ground?

7 / 30

7. Which application of rotational motion helps rockets and missiles stay on course?

8 / 30

8. Why is it easier to roll a heavy cylinder up an incline than to slide it?

9 / 30

9. A wheel requires a torque of 50 N·m to rotate. If a spanner of length 0.25 m is used, what minimum force must be applied perpendicular to it?

10 / 30

10. The wheels of a train have an angular velocity of and radius . What is the train’s linear speed?

11 / 30

11. Which of the following is true about velocities in translational and rotational motion?

12 / 30

12. For a uniform rectangular plate of length and breadth , the center of mass is located at:

13 / 30

13. Why do bicycles and motorcycles have wheels with thin tires?

14 / 30

14. Which law of mechanics directly applies to both translational and rotational motion?

15 / 30

15. The mathematical statement of the perpendicular axis theorem is:

16 / 30

16. Which is the correct mathematical expression for torque ?

17 / 30

17. If a person jumps out of a boat on water, the boat moves backward. Which principle is involved?

18 / 30

18. The acceleration of the center of mass of a rolling cylinder on an inclined plane of angle is:

19 / 30

19. The moment of inertia of a ring of mass and radius about any tangent in the plane of the ring is:

20 / 30

20. Which of the following is an application of rolling motion in daily life?

21 / 30

21. Which of the following pairs is correct for SI units?

22 / 30

22. Which type of equilibrium does a ball balanced on the top of a hill represent?

23 / 30

23. A uniform solid cylinder of mass and radius is pulled by a force at its center. For rolling without slipping, the friction force acts:

24 / 30

24. Which principle of rotational motion is used in the working of a flywheel in engines?

25 / 30

25. Which law connects torque and angular momentum?

26 / 30

26. Why is momentum conserved in all types of collisions, elastic or inelastic?

27 / 30

27. A disc of moment of inertia experiences a torque of . What is its angular acceleration?

28 / 30

28. For a rolling object, which statement about friction is correct?

29 / 30

29. Why are cylindrical rollers used in road construction?

30 / 30

30. For rolling without slipping, what is the velocity of the bottommost point of the wheel relative to the ground?

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Class 11 Physics: System of Particles and Rotational Motion Online Test (Paper 3)

Welcome to Paper 3! You’ve warmed up—now it's time to step up your game and conquer the challenge with tougher questions!

Earn a certificate upon passing

Get new questions with every attempt

  • Total Questions: 50
  • Time Allotted: 75 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 50

1. In a system of particles, if one particle is much heavier than the others, the center of mass will be:

2 / 50

2. What is the main function of rolling motion in conveyor belt rollers?

3 / 50

3. Which force ensures rolling motion without slipping on a horizontal surface?

4 / 50

4. The stability of artificial satellites in orbit is maintained using which principle?

5 / 50

5. If the angular velocity of a motor is 3000 rpm, what is its angular velocity in rad/s?

6 / 50

6. The perpendicular axis theorem is derived from:

7 / 50

7. The moment of inertia of a thin rod of mass and length about an axis perpendicular to one end is:

8 / 50

8. The phenomenon of accretion disks around black holes is strongly influenced by:

9 / 50

9. Which of the following is an example where rotational kinetic energy plays a crucial role?

10 / 50

10. In rotational dynamics, torque is analogous to which quantity in linear dynamics?

11 / 50

11. In elastic collisions, conservation of linear momentum holds true because:

12 / 50

12. The geometric interpretation of the magnitude of is:

13 / 50

13. What is the effect on angular velocity when linear velocity is kept constant and the radius of the circular path is doubled?

14 / 50

14. The parallel axis theorem is particularly useful when:

15 / 50

15. Which of the following is an example of a system of particles?

16 / 50

16. Which law of mechanics directly applies to both translational and rotational motion?

17 / 50

17. The center of mass of a uniform rectangular plate lies at:

18 / 50

18. Which of the following is an example of torque in everyday life?

19 / 50

19. Why are cylindrical rollers used in road construction?

20 / 50

20. A solid sphere of radius is rolling without slipping with angular velocity . The velocity of its center of mass is:

21 / 50

21. Which of the following is true about the vector product of two vectors?

22 / 50

22. Which of the following is a practical example of the perpendicular axis theorem?

23 / 50

23. In astrophysics, why do planets in our solar system continue to orbit the Sun without slowing down significantly?

24 / 50

24. What is the mathematical relation between torque and angular acceleration for a rigid body?

25 / 50

25. If a person runs around a circular track of radius 7 m at a speed of 7 m/s, what is their angular velocity?

26 / 50

26. Why do tightrope walkers carry a long pole while walking on the rope?

27 / 50

27. Why does a planet continue to orbit the Sun in an elliptical path without spiraling into it?

28 / 50

28. If a spacecraft ejects gas in one direction, what happens to the spacecraft’s center of mass motion?

29 / 50

29. Why does a spinning gyroscope resist changes in its orientation?

30 / 50

30. When does the relation not hold true?

31 / 50

31. What ensures the smooth rolling of railway train wheels on tracks?

32 / 50

32. Which of the following properties is correct for vector product?

33 / 50

33. The work done by the magnetic force on a charged particle is always:

34 / 50

34. For a homogeneous sphere, the center of mass lies:

35 / 50

35. Which of the following correctly shows the analogy between translational and rotational motion?

36 / 50

36. For a uniform solid hemisphere of radius , the center of mass lies:

37 / 50

37. If two particles of equal mass are separated by a distance , the center of mass lies:

38 / 50

38. Why do divers tuck their legs and arms while spinning?

39 / 50

39. Which of the following best defines angular momentum?

40 / 50

40. The dimension of angular velocity is:

41 / 50

41. Moment of inertia of a thin rectangular plate of length , breadth , and mass about an axis through its center and perpendicular to its plane is:

42 / 50

42. What is the primary condition for rolling motion without slipping?

43 / 50

43. When a bullet is fired from a gun, what happens to the center of mass of the gun-bullet system?

44 / 50

44. A force of 15 N is applied perpendicular to a wrench at a distance of 0.4 m from the nut. What is the torque produced?

45 / 50

45. Why is the concept of center of mass useful in analyzing the motion of complex bodies?

46 / 50

46. When a solid sphere rolls without slipping on a horizontal surface, the work done by friction is:

47 / 50

47. The SI unit of torque is:

48 / 50

48. If a person jumps out of a boat on water, the boat moves backward. Which principle is involved?

49 / 50

49. The geometric meaning of the magnitude of is equivalent to:

50 / 50

50. The geometric interpretation of the unit vector in is:

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Class 11 Physics — Chapter 7: System of Particles and Rotational Motion Online Test

The System of Particles and Rotational Motion Online Test has been designed especially for Class 11 students who often find this chapter tricky yet fascinating. Many students understand the formulas but struggle when it comes to applying them under exam pressure. This online test will help you bridge that gap through real-time MCQs that test not just memory, but understanding and accuracy.

You can attempt exam-style questions based on rotational dynamics, torque, angular momentum, and equilibrium of rigid bodies. Each paper gives you instant feedback, shows correct answers, and helps you identify your weak spots. It’s not just another test — it’s a step toward confidence and clarity in one of the most conceptual parts of Physics.

After finishing a few attempts, you’ll realize how every question strengthens your thinking process. Students who practice these papers regularly develop sharper reasoning and improved speed in problem-solving — both essential for board exams and competitive tests like JEE or NEET.

About this Online Test

The System of Particles and Rotational Motion online test includes three well-structured papers that gradually increase in difficulty. It’s meant to help you move from understanding to mastery with clear progress in each stage.

  • Paper 1 — Concept Starter: 20 questions · 30 min · Pass ≥ 40%
  • Paper 2 — Mixed Practice: 30 questions · 45 min · Pass ≥ 50% · New set each time
  • Paper 3 — Advanced Challenge: 50 questions · 75 min · Pass ≥ 70% · Certificate on pass

Papers 2 and 3 present fresh questions every time you attempt them, while Paper 1 stays fixed for conceptual warm-up. All papers are automatically checked, timed, and allow you to review each answer after submission.

Key Topics Covered (System of Particles and Rotational Motion)

  • Centre of Mass and motion of system of particles
  • Linear momentum and conservation laws
  • Torque and angular momentum
  • Moment of inertia and its physical significance
  • Rotational kinetic energy and work–energy theorem
  • Rolling motion and pure rolling condition
  • Parallel and perpendicular axis theorems
  • Numerical problems on rotational dynamics and energy

How the Test Works

Choose a paper, answer each MCQ within the given time, and submit to see your score. Every test helps you understand where you stand and what to improve next. It’s not about competition — it’s about progress and confidence building.

Highlights of the Test

  • Real exam-style timed environment
  • Instant scoring with full answer review
  • Randomized questions for better coverage
  • Free, mobile-friendly, and available 24×7
  • Certificate after clearing Paper 3 with 70% or more

Who Should Attempt This Test

  • Class 11 students preparing for school or competitive exams
  • JEE and NEET aspirants wanting speed and accuracy in rotational mechanics
  • Students who want to build confidence in Physics problem-solving
  • Teachers assigning chapter-wise online practice for revision

Why You Should Take This Test

  • Helps you understand how concepts work under time pressure
  • Gives immediate clarity on mistakes and correct reasoning
  • Improves speed in solving rotational and centre of mass questions
  • 100% free — no registration or payment needed
  • Builds the confidence needed for both exams and real understanding

Study Plan for Better Results

  • Read the chapter carefully from NCERT before your first attempt.
  • Attempt Paper 1 to test basic understanding and formula recall.
  • Analyze mistakes using the answer review and retry Paper 2.
  • Attempt Paper 3 under real exam conditions and aim for 70% or more.
  • Revise once again and retake after 48 hours to ensure strong retention.

Before You Start

  • Use Chrome or Edge for smooth experience.
  • Keep a stable internet connection.
  • Don’t refresh or close the tab while the test is running.

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