Home
Class 11
PHYSICS
Masses 8, 2, 4, 2 kg are placed at the c...

Masses 8, 2, 4, 2 kg are placed at the corners A, B, C, D respectively of a square ABCD of diagonal 80 cm. The distance of centre of mass from A is

A

20 cm

B

30 cm

C

40 cm

D

60 cm

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-I (Centre of Mass)|40 Videos
  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise EXERCISE-I (Rotational Motion :)|75 Videos
  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise EXERCISE - 2|106 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 - 3
  1. The C.M of a uniform card board cut in .T. shape as shown in figure is

    Text Solution

    |

  2. Two steel spheres of radius r and 2r are made to touch each other. The...

    Text Solution

    |

  3. Masses 8, 2, 4, 2 kg are placed at the corners A, B, C, D respectively...

    Text Solution

    |

  4. Half of the uniform rectangular plate of length .L. is made up of mate...

    Text Solution

    |

  5. Two particles of equal mass have velocitiesvecV (1)= 4hati ms^(-1) and...

    Text Solution

    |

  6. Two particles of masses 10 kg and 30 kg are lying on a straight line. ...

    Text Solution

    |

  7. Four identical blocks of length L are arranged one over the other as s...

    Text Solution

    |

  8. A shell in flight explodes into n equal fragments, k of the fragments ...

    Text Solution

    |

  9. A uniform square sheet has a side length of 2R. If one of the quadrant...

    Text Solution

    |

  10. Two balls of masses 5m and m have radii 2R and R. Their centre of mass...

    Text Solution

    |

  11. A trolley of mass 360 kg is lying on a horizontal frictionless surface...

    Text Solution

    |

  12. A boat of mass 80 kg is floating on still water. A dog of mass 20 kg o...

    Text Solution

    |

  13. A shell is projected from a level ground with a velocity of 20 m/s at ...

    Text Solution

    |

  14. The centre of mass of a non uniform rod of length L whose mass per uni...

    Text Solution

    |

  15. The density of a non - uniform rod of length 1 m is given by lambda (x...

    Text Solution

    |

  16. A circular disc of diameter d and a square plate of side d are placed ...

    Text Solution

    |

  17. A circular disc of radius R is removed from a bigger circular disc of ...

    Text Solution

    |

  18. A uniform square sheet has a side length of 2R. A circular sheet of ma...

    Text Solution

    |

  19. A square hole is punched out of a circular lemena, the diagonal of the...

    Text Solution

    |

  20. A body of mass .m. is dropped and another body of mass M is projected ...

    Text Solution

    |