NCERT/Class 11/Physics/System of Particles and Rotational Motion

System of Particles and Rotational Motion

Class 11 · Physics

64 questions30 easy23 medium11 hard

Sample Questions

Q1.The moment of inertia of a circular disc of mass M and radius R about its diameter is:

  • AMR^2/4
  • BMR^2/2
  • CMR^2
  • D2MR^2

Q2.The total energy of a body rolling without slipping is divided between rotational and translational KE. For a hollow sphere (I = 2MR^2/3), what fraction is rotational?

  • A2/5
  • B2/7
  • C2/5
  • D2/3 x 1/(1 + 2/3) = 2/5

Q3.For a rolling body (without slipping), the relationship between linear velocity v and angular velocity omega is:

  • Av = omega/r
  • Bv = omega x r
  • Cv = r/omega
  • Dv = r^2 omega

Q4.The moment of inertia of a solid cylinder of mass M and radius R about its central axis is:

  • AMR^2
  • BMR^2/2
  • C2MR^2/3
  • DMR^2/4

Q5.The acceleration of the centre of mass of a rolling cylinder on a rough incline at angle theta is:

  • Ag sin(theta)
  • Bg sin(theta)/2
  • C2g sin(theta)/3
  • Dg sin(theta)/3

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
Create a test to practice all 64 questions →

Concepts Covered

Angular MomentumAngular Velocity and AccelerationCentre of MassConservation of Angular MomentumConservation of EnergyEquilibrium of Rigid BodyMoment of InertiaMotion of Centre of MassRolling MotionRotational Kinetic EnergyTheorems of Perpendicular and Parallel AxesTorque

Ready to practice?

Create a timed test from 64 questions in System of Particles and Rotational Motion. Pick your difficulty, get instant scores.

Start Practice Test