Home
Class 11
PHYSICS
Four particles, each of mass 1kg, are pl...

Four particles, each of mass 1kg, are placed at the corneres of a square OABC of side 1m. .O. is at the origin of the coordinate system. OA and OC are aligned along positive x-axis and positive y-axis respectively. The position vector of the centre of mass is (in .m.)

A

`hat(i)+hat(j)`

B

`(1)/(2)(hat(i)+hat(j))`

C

`(hat(i)-hat(j))`

D

`(1)/(2)(hat(i)-hat(j))`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise EXERCISE - 3|61 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise EXERCISE-I (Centre of Mass)|40 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise EXERCISE - 1B|51 Videos

  • SURFACE TENSION

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS )|8 Videos

  • THERMAL PROPERTIES OF MATTER

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - II) PRACTICE SHEET (ADVANCED) Integer/Subjective Type Questions|2 Videos
AAKASH SERIES-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-EXERCISE - 2
  1. A thin uniform rod of length L is bent at its mid point as shown in th...

    Text Solution

    |

  2. Particles of masses m, 2m, 3m, …….. nm grams are placed on the same li...

    Text Solution

    |

  3. Four particles, each of mass 1kg, are placed at the corneres of a squa...

    Text Solution

    |

  4. Thre identical masses are kept at the corners of an equilateral triang...

    Text Solution

    |

  5. Three particles of masses 8 kg, 4 kg and 4 kg situated at (4,1), (-2,2...

    Text Solution

    |

  6. The mass of a uniform ladder of length 5 m is 20 kg. A person of mass ...

    Text Solution

    |

  7. From a sphere of radius 1m, a sphere of radius 0.5 m is removed from t...

    Text Solution

    |

  8. A circular plate has a uniform thickness and has a diameter 56 cm. A c...

    Text Solution

    |

  9. A man of 50 kg is standing at one end on a boat of length 25 m and mas...

    Text Solution

    |

  10. Two particles having masses m and 2m are travelling along x-axis on a ...

    Text Solution

    |

  11. Two particles A and B initially at rest move towards each other under ...

    Text Solution

    |

  12. A baloon of mass M is stationary in air. It has a ladder on which a ma...

    Text Solution

    |

  13. A woodrn log of mass 120 kg is floating on still water perpendicular t...

    Text Solution

    |

  14. A uniform wire of length L is bent in the form of a circle. The shift ...

    Text Solution

    |

  15. Masses 1 kg, 1.5 kg, 2 kg and M kg are situated at (2, 1, 1), (1, 2,1)...

    Text Solution

    |

  16. Three identical spheres each of radius .R. are placed on a horizontal ...

    Text Solution

    |

  17. Two bodies of mases 5kg and 3kg are moving towards each other with 2ms...

    Text Solution

    |

  18. Two particles each of the same mass move due north and due east respec...

    Text Solution

    |

  19. If the distance between the centres of the atoms of potassium and brom...

    Text Solution

    |

  20. The co-ordinates of the centre of mass of the system as shown in figur...

    Text Solution

    |