Home
Class 11
PHYSICS
A body of mass m moves in a horizontal c...

A body of mass m moves in a horizontal circle of radius r at contact speed v. which pair of values carrectly gives:
(i). The work done by the centripetal force
(ii). The change in linear momentum of the body when it moves from X to Y (where Xyy is a diameter)?

A

`2mv^(2)" "2mv`

B

`pimv^(2)" "2mv`

C

0 0

D

0 2mv

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • LINEAR MOMENTUM & ITS CONSERVATION

    PHYSICS GALAXY - ASHISH ARORA|Exercise Numerical MCQ s|75 Videos

  • LINEAR MOMENTUM & ITS CONSERVATION

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance McQ|20 Videos

  • LINEAR MOMENTUM & ITS CONSERVATION

    PHYSICS GALAXY - ASHISH ARORA|Exercise Discussio Q|28 Videos

  • KINEMATICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Pro.|83 Videos

  • NEWTONS LAWS OF MOTION

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problem|81 Videos

Similar Questions

Explore conceptually related problems

When a body moves in a circle, the work done by the centripetal forces is always

A body of mass m is movinng in a circlee off radius r with a constant speed v. the work done by the centripetal force in moving the body over half the circumference of the circle is

A body of mass 1 kg is rotated in a horizontal circle of radius 1 m and moves with velocity 2 ms^(-1) The work done in 10 revolutions is

A particle of mass M is moving in a horizontal circle of radius R with uniform speed V. When it moves from one point to a diametrically opposite point, its

A block of mass m is revolving in a smooth horizontal plane with a constant speed v.If the radius of the circle path is R find the total contact force received by the block

A body of mass m is moving in a circle of radius r with a constant speed v, The force on the body is (mv^(2))/(r ) and is directed towards the centre. What is the work done by the force in moving the body over half the circumference of the circle?

If a particle moves in a circle of radius r with constant speed under centripetal force F, then the work done in completing full circle will be ,

A particle of mass m is moving on a circular path of radius r with uniform speed v , rate of change of linear momentum is

What is the work done by centripetal force in moving a body through half cycle on the circular path of radius 35 m ?

PHYSICS GALAXY - ASHISH ARORA-LINEAR MOMENTUM & ITS CONSERVATION-Conceptual MCQ s single option correct
  1. Which one of the following statemetns is correct with reference to ela...

    Text Solution

    |

  2. The velocities in a head on elastic collision be interchanged"

    Text Solution

    |

  3. A body of mass m moves in a horizontal circle of radius r at contact s...

    Text Solution

    |

  4. For a particle moving in a horizontal circle with constant angular vel...

    Text Solution

    |

  5. In a system of particles, internal forces can change:

    Text Solution

    |

  6. Three particles each of mass m are located at the vertices of an equil...

    Text Solution

    |

  7. A ball kept in a closed box moves in the box making collisions with th...

    Text Solution

    |

  8. A strip of wood of length l is placed on a smooth horizontal surface. ...

    Text Solution

    |

  9. The centre of mass of a system of particle is at the origin the number...

    Text Solution

    |

  10. Six steel balls of identical size are lined up along a straight frict...

    Text Solution

    |

  11. n balls each of mass m impinge elastically each second on a surface wi...

    Text Solution

    |

  12. The bob A of a pendulum released from a height h hits head-on another ...

    Text Solution

    |

  13. A nucleus moving with velocity bar(v) emits an alpha-particle. Let the...

    Text Solution

    |

  14. A uniform sphere is placed on a smooth horizontal surface and a horizo...

    Text Solution

    |

  15. Five identical balls each of mass m and radius r are string like beads...

    Text Solution

    |

  16. The end of a chain of length L and mass per unit length rho, which is ...

    Text Solution

    |

  17. Which of the following is correct about principle of conservation of m...

    Text Solution

    |

  18. A uniform rod AB of mass m and length l is at rest on a smooth horizon...

    Text Solution

    |

  19. A body is fired from point P and strikes at Q inside a smooth circular...

    Text Solution

    |

  20. A fixed U-shaped smooth wire has a semi-circular bending between A and...

    Text Solution

    |