Home
Class 11
PHYSICS
Four particles each of mass 1kg are at t...

Four particles each of mass `1kg` are at the four corners of square of side `1m`. The M.I. of the system about a normal axis through centre of square is

A

`6 kgm^(2)`

B

`2 kgm^(2)`

C

`1.25 kgm^(2)`

D

`2.5 kgm^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`I=summr^(2), r=l/(sqrt(2))`
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES

    NARAYNA|Exercise Level -II(H.W)|47 Videos

  • SYSTEM OF PARTICLES

    NARAYNA|Exercise Level-V|72 Videos

  • SYSTEM OF PARTICLES

    NARAYNA|Exercise NCERT based questions|15 Videos

  • PHYSICAL WORLD

    NARAYNA|Exercise C.U.Q|10 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    NARAYNA|Exercise EXERCISE - IV|39 Videos

Similar Questions

Explore conceptually related problems

Four particle each of mass 1kg are at the four orners of a square of side 1m . The work done to move one of the particles to infinity

Four particles each of mass m are kept at the four corners of a square of edge a. Find the moment of inertia of the system about an axis perpendicular to the plane of the system and passing through the centre of the square.

Four particles each of mass m are placed at the corners of a square of side length l . The radius of gyration of the system about an axis perpendicular to the plane of square and passing through its centre is

Four particles each of mass m are kept at the four corners of a square of edge a. Find the moment of inertias of the system about a line perpendicular to the plane of the square and passing through the centre of the square.

Four particles each of mass m are placed at the vertices of a square of side l. the potential at the centre of square is

Find the potential energy of a system of four particles each of mass 2m kept at the vertices of a square of side x. Also find the potential at the centr of the square.

3 particles of mass 10 gm each are placed at the corners of an equilateral triangle of side 5 cm. The M.I. of the system about a perpendicular axis to the plane passing through a corner of the triangle will be : (in kg- m^(2) )

NARAYNA-SYSTEM OF PARTICLES-Level -I(H.W)
  1. The moment of inertia of a solid sphere about an axis passing through ...

    Text Solution

    |

  2. Moment of inertia of a hoop suspended from a peg about the peg is

    Text Solution

    |

  3. Four particles each of mass 1kg are at the four corners of square of s...

    Text Solution

    |

  4. Three identical masses, each of mass 1kg, are placed at the corners of...

    Text Solution

    |

  5. A wire of mass m and length l is bent in the form of circular ring. Th...

    Text Solution

    |

  6. The moment of inertia of a thin uniform rod of mass M and length L abo...

    Text Solution

    |

  7. Four point size bodies each of mass m are fixed at four corners of lig...

    Text Solution

    |

  8. Uniform square plate of mass 240 gram is made to rotate about an axis ...

    Text Solution

    |

  9. Two objects of masses 1kg and 2kg separated by a distance of 1.2m are ...

    Text Solution

    |

  10. The radius of gyration of a body about an axis at a distance of 4cm fr...

    Text Solution

    |

  11. The M.I. of a thin rod about a normal axis through its centre is I. I...

    Text Solution

    |

  12. The moment of inertia of two spheres of equal masses about their diame...

    Text Solution

    |

  13. A circular disc of mass 4kg and of radius 10cm is rotating about its n...

    Text Solution

    |

  14. If the mass of earth and radius suddenly become 2 times and 1//4th of ...

    Text Solution

    |

  15. A child is standing with folded hands at the center of a platform rota...

    Text Solution

    |

  16. If radus of earth shrinks by 0.1% without change in its mass, the perc...

    Text Solution

    |

  17. A ballet dancer spins about a vertical axis at 60 rpm with his arms cl...

    Text Solution

    |

  18. A metallic circular wheel is rotating about its own axis without frict...

    Text Solution

    |

  19. A uniform circular disc of radius R is rotating about its own axis wit...

    Text Solution

    |

  20. A particle of mass m is moving in a plane along a circular path of rad...

    Text Solution

    |