System of Particles and Rotational Motion

Class 11 · Physics

64 questions30 easy23 medium11 hard

Sample Questions

Q1.A disc of radius R and mass M rolls down an incline of height h without slipping. Its speed at the bottom is:

  • Asqrt(2gh)
  • Bsqrt(gh)
  • Csqrt(4gh/3)
  • Dsqrt(2gh/3)

Q2.The moment of inertia of a pair of equal spheres (mass m, radius r each) about the common tangent is:

  • A2mr^2
  • B14mr^2/5
  • C2mr^2/5
  • D7mr^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 thin uniform rod of mass M and length L about an axis through its centre and perpendicular to its length is:

  • AML^2/3
  • BML^2/12
  • CML^2/4
  • DML^2/6

Q5.The torque produced by a force of 10 N acting at a distance of 2 m from the axis, perpendicular to the arm, is:

  • A5 N.m
  • B10 N.m
  • C20 N.m
  • D0 N.m

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
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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

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