Home
Class 12
PHYSICS
When a body is rolling without slipping ...

When a body is rolling without slipping on a rough horizontal surface, the work done by friction is :

A

Always zero

B

May be zero

C

Always positive

D

Always negative

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN |Exercise Basic Maths (GRAVITATION)|25 Videos

  • RACE

    ALLEN |Exercise Basic Maths (Properties of Matter & Fluid Mechanics)(Elasticity)|20 Videos

  • RACE

    ALLEN |Exercise Basic Maths (COLLISION AND CENTRE OF MASS )|12 Videos

  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos

  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

A 1 Kg solid sphere rolls without slipping on a rough horizontal suface as shown in figure. Select incorrect alternative

A wheel of radius R=0.1m is rolling without slipping on a horizontal surface as shown in the firgure. Centre of the wheel moves with a constant speed sqrt3m//s . The speed of the point P with respect to ground is

Write the condition for rolling without slipping for a body on a slope.

A body of mass 2 kg is kept on a rough horizontal surface as shown in the figure. Find the work done by frictional force in the interval t=0 to t=5 sec

The condition for rolling without slipping on a slope having friction is …... .

A 10 kg wooden block is lying stationary on rough horizontal surface. To pull this block 49 N force is req u ired . Find value of co-efficient of friction and angle of friction.

When is the work done by a force zero?

The sign of work done by a force on a body is important to understand .State carefully if the following quantities are positive or negative : (a) work done by a man in lifting a bucket out of a well by means of a rope tied to the bucket . (b) work done by gravitational force in the above case , (c ) work done by friction on a body siding down an inclined plane , (d ) workdone by an applied force on a body moving on a rough horizontal plane woth uniform velocity . (d) work done by the resistive force of air on a vibrating pendulum in bringing it to rest .

A body of radius R and mass m is rolling smoothly with speed v on a horizontal surface. It then rolls up a hill to a maximum height h . If h = 3 v^2//4g . What might the body be ?

ALLEN -RACE-Basic Maths (ROTATIONAL MOTION)
  1. An angular impulse of 20 Nms is applied to a hollow cylinder of mass 2...

    Text Solution

    |

  2. Choose the correct statement.

    Text Solution

    |

  3. A thin uniform circular ring is rolling down an inclined plane of incl...

    Text Solution

    |

  4. A solid sphere is thrown up a rough incline. The sphere rolls up witho...

    Text Solution

    |

  5. Two solid spheres of different mass, radii and denisty roll down a rou...

    Text Solution

    |

  6. A thin circular ring first slips down a smooth incline then rolls down...

    Text Solution

    |

  7. A solid sphere is rolling without slipping on a level surface dat a co...

    Text Solution

    |

  8. When a body is under pure rolling, the fraction of its total kinetic e...

    Text Solution

    |

  9. When a point mass slips down a smooth incline from top, it reaches the...

    Text Solution

    |

  10. A solid cylinder is rolling down on an inclined plane of angle theta. ...

    Text Solution

    |

  11. A solid sphere rolls on horizontal surface without slipping. What is t...

    Text Solution

    |

  12. Two dises having masses in the ratio 1 : 2 and radii in the ratio 1 : ...

    Text Solution

    |

  13. Which of the following (if mass and radius are assumed to be same) hav...

    Text Solution

    |

  14. A solid cylinder of mass M and radius R rolls down an inclined plane o...

    Text Solution

    |

  15. A solid sphere of diameter 0.1 m and 5 kg is rolling down an inclined ...

    Text Solution

    |

  16. The speed of a uniform solid cylinder after rolling down an inclined p...

    Text Solution

    |

  17. In case of pure rolling, what will be the velocity of point A of the r...

    Text Solution

    |

  18. When a body is rolling without slipping on a rough horizontal surface,...

    Text Solution

    |

  19. An inclined plane makes an angle 30° with the horizontal. A solid sphe...

    Text Solution

    |

  20. What is the minimum coefficient of friction for a solid sphere to roll...

    Text Solution

    |