Home
Class 11
PHYSICS
A disc is given an angular velocity omeg...

A disc is given an angular velocity `omega_(0)` and a linear velocity `v_(0)` as shown in the figure. It is released on a rough horizontal surface of friction coefficient `mu.` Mark the correct statement `(omega_(0)=3v_(0)//R)`

A

The frictional force will be `mu`mg during the entire motion.

B

After some time the disc will start rolling without sliding along positive x-axis.

C

After some time the disc will start rolling without sliding along negative x-axis.

D

The mechnical energy of the disc will remain conserved.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    DC PANDEY ENGLISH|Exercise A Only One Option is Correct|86 Videos

  • ROTATIONAL MOTION

    DC PANDEY ENGLISH|Exercise More than one option is correct|36 Videos

  • ROTATIONAL MECHANICS

    DC PANDEY ENGLISH|Exercise Subjective Questions|2 Videos

  • SEMICONDUCTORS AND ELECTRONIC DEVICES

    DC PANDEY ENGLISH|Exercise More than One Option is Correct|3 Videos

Similar Questions

Explore conceptually related problems

A solid sphere of mass m and radius r is given an initial angular velocity omega_(0) and a linear velocity v_(0)=lambda r omega_(0) from a point A on a rough horizontal surface .It is observed that the ball turns back and returens to the point A after some time if lambda is less than a certain maximum value lambda_(0) . Find lambda_(0) .

A disc is given an initial angular velocity omega_(0) and placed on a rough horizontal surface as shown Fig. The quantities which will not depend on the coefficient of friction is/are

A uniform circular disc placed on a horizontal rough surface has initially a velocity v_(0) and an angular velocity omega_(0) as shown in the figure. The disc comes to rest after moving some distance in the direction of motion. Then v_(0)//r omega_(0) is :

A uniform circular disc placed on a horizontal rough surface has initially a velocity v_(0) and an angular velocity omega_(0) as shown in the figure. The disc comes to rest after moving some distance in the direction of motion. Then v_(0)//omega_(0) is :

A disc of radius R has linear velocity v and angular velocity omega as shown in the figure. Given upsilon=romega find velocity of point A, B, C and D on the disc.

A rectangular block of size (bbxxh) moving with velocity v_(0) enters on a rough surface where the coefficient of friction is mu as shown in figure. Identify the correct statement.

A ring of radius R is rotating with an angular speed omega_0 about a horizontal axis. It is placed on a rough horizontal table. The coefficient of kinetic friction is mu_k . The time after it starts rolling is.

The velocity - time (V - t) graph of an object of mass 2 kg is as shown in figure while it is moving on a rough horizontal surface. The coefficient of friction between object and the surface is (g = 10 m/s^2)

The assembly of two discs as shown in figure is placed on a rough horizontal surface and the front disc is given an initial angular velocity omega_(0) . Determine the final linear and angular velocity when both the discs start rolling. it is given that friction is sufficient to sustain rolling the rear wheel from the starting of motion.

A ring of radius R is first rotated with an angular velocity omega and then carefully placed on a rough horizontal surface. The coefficient of friction between the surface and the ring is mu . Time after which its angular speed is reduced to half is

DC PANDEY ENGLISH-ROTATIONAL MOTION-Integer Type Questions
  1. A disc is given an angular velocity omega(0) and a linear velocity v(0...

    Text Solution

    |

  2. A ring and a disc having the same mass, roll without slipping with the...

    Text Solution

    |

  3. A wheel starting from rest is uniformly acceleration with angular acce...

    Text Solution

    |

  4. Radius of gyration of a body about an axis at a distance 6 cm from it ...

    Text Solution

    |

  5. A uniform rod of mass 2 kg and length 1 m lies on a smooth horizontal ...

    Text Solution

    |

  6. A uniform rod of mass m, hinged at its upper end, is released from res...

    Text Solution

    |

  7. An uniform spherical shell of mass m and radius R starts from rest wit...

    Text Solution

    |

  8. A small pulley of radius 20 cm and moment of inertia 0.32 kg-m^(2) is ...

    Text Solution

    |

  9. If a disc of mass m and radius r is reshaped into a ring a radius 2r,t...

    Text Solution

    |

  10. A disc of mass 4 kg and radius 6 metre is free to rotate in horizontal...

    Text Solution

    |

  11. Find the acceleration of slid right circular roller A, weighing 12kg w...

    Text Solution

    |

  12. Two thin planks are moving on a four identical cylinders as shown. The...

    Text Solution

    |

  13. A wheel of radius R=1 m rolls on ground with uniform velocity v=2 m/s ...

    Text Solution

    |

  14. A cylinder rolls down on an inclined plane of inclination 37^(@) from ...

    Text Solution

    |

  15. A car is moving rightward with acceleration a=gsqrt(k)m//s^(2) . Find ...

    Text Solution

    |

  16. A uniform thin rod has mass m and length l. One end of the rod lies ov...

    Text Solution

    |

  17. A wheel of radius R=2m performs pure rolling on a rough horizontal su...

    Text Solution

    |

  18. A uniform rod of length l and mass m is suspended from one end by inex...

    Text Solution

    |