JEE Main Physics: Rotational Motion Practice Questions

25 questions with answers and step-by-step solutions. Tap any question to see the full worked solution.

  1. Q1.
    A particle is moving in a circle of radius 2 meters with a constant angular velocity of 3 radians per second. What is the linear velocity of the particle in met
    Easy
  2. Q2.
    What is the moment of inertia of a solid sphere of mass M and radius R about its diameter?
    Easy
  3. Q3.
    A torque of 10 Newton meters is applied to a body with a moment of inertia of 2 kilogram meters squared. What is the angular acceleration of the body in radians
    Easy
  4. Q4.
    If the angular velocity of a rotating body increases from 2 radians per second to 8 radians per second in 3 seconds, what is the angular acceleration in radians
    Easy
  5. Q5.
    Which of the following is the correct unit for angular momentum?
    Easy
  6. Q6.
    A solid sphere of mass M and radius R rolls without slipping on a horizontal surface with a linear velocity v. What is the total kinetic energy of the sphere?
    Medium
  7. Q7.
    A uniform rod of length Land mass M is pivoted at one end and allowed to swing in a vertical plane. What is the angular frequency of small oscillations?
    Medium
  8. Q8.
    A particle of mass m moves along a line y = d with constant velocity v. What is the angular momentum of the particle about the origin?
    Medium
  9. Q9.
    A disc of radius R and mass M is rotating with angular velocity omega. A second identical disc is dropped coaxially onto the first. What is the final angular ve
    Medium
  10. Q10.
    A thin circular ring of mass M and radius R is rotating about its axis with angular velocity omega. What is the torque required to stop it in t seconds?
    Medium
  11. Q11.
    A uniform solid sphere of mass M and radius R is projected with a velocity v0 and an angular velocity omega0 on a rough horizontal surface. The coefficient of k
    Hard
  12. Q12.
    A thin uniform rod of mass M and length L is hinged at one end and released from a horizontal position. When the rod makes an angle theta with the vertical, the
    Hard
  13. Q13.
    A particle of mass m is attached to a light string of length land is moving in a vertical circle. If the tension in the string at the highest point is zero, the
    Hard
  14. Q14.
    A solid cylinder of mass M and radius R is rolling without slipping down an inclined plane of angle theta. The minimum coefficient of static friction required i
    Hard
  15. Q15.
    A disc of mass M and radius R is rotating with angular velocity omega. A second identical disc is placed gently on top of the first. The final angular velocity
    Hard
  16. Q16.
    A disc of radius R and mass M is rotating with angular velocity omega about its central axis. If two point masses each of mass m are placed gently on the opposi
    Medium
  17. Q17.
    A particle of mass m is moving with a constant velocity v parallel to the x-axis at a distance d from the x-axis. What is the angular momentum of the particle a
    Medium
  18. Q18.
    A uniform rod of length Land mass M is free to rotate in a vertical plane about a fixed horizontal axis passing through one of its ends. The rod is released fro
    Medium
  19. Q19.
    A flywheel of moment of inertia 5 kg meter squared is rotating at 10 radians per second. A constant retarding torque is applied to bring it to rest in 5 seconds
    Medium
  20. Q20.
    A uniform solid sphere of mass M and radius R is projected along a rough horizontal surface with an initial linear velocity v0 and zero angular velocity. If the
    Hard
  21. Q21.
    A solid cylinder of mass M and radius R rolls without slipping down an inclined plane of angle alpha. The acceleration of the center of mass is
    Hard
  22. Q22.
    A disc of radius R is rotating with angular velocity omega about its central axis. A second identical disc is placed gently on the first. The final angular velo
    Hard
  23. Q23.
    If the angular velocity of a rotating body increases from 2 radians per second to 6 radians per second in 2 seconds, what is the angular acceleration in radians
    Easy
  24. Q24.
    What is the angular momentum of a particle of mass m moving with velocity v at a perpendicular distance r from the origin?
    Easy
  25. Q25.
    A torque of 10 Newton meters is applied to a body with a moment of inertia of 2 kilogram meters squared. What is the angular acceleration in radians per second
    Easy

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Rotational Motion — JEE Main Physics Practice Questions with Solutions | SolveGini