Home
Class 11
PHYSICS
Three particles of masses 8 kg, 4 kg and...

Three particles of masses 8 kg, 4 kg and 4 kg situated at (4,1), (-2,2) and (1,-3) are acted upon by external forces `6bar(j)N,-6 bar(i)N` and `14 bar(i)N`. The acceleration of centre of mass of the system is

A

`0.625ms^(-2)`

B

`6.25ms^(-2)`

C

`2.2ms^(-2)`

D

`22ms^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|99 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise Exercise-I|143 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

Similar Questions

Explore conceptually related problems

Three particles of masses 1 kg, 2 kg, 3 kg are acted upon by forces (veci +2vecj),(2vecj +3veck) and (veci - veck) newton respectively. The magnitude of acceleration of centre of mass in m/s^2 is

Particles of masses 1 kg and 3 kg at (2i+5j+13 k) m and (-6i+4j-2k)m then instantaneous position of their centre of mass is

A uniform bar 8m long has a mass of 6kg. A 10kg mass is tied to one end. The position of centre of mass of the system is

The centre of mass of three particles of masses 1 kg, 2 kg and 3 kg is at (2,2, 2). The position of the fourth mass of 4 kg to be placed in the system as that the new centre of mass is at (0, 0, 0) is

AAKASH SERIES-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Exercise-II
  1. Four particles, each of mass 1kg, are placed at the corneres of a squa...

    Text Solution

    |

  2. Three identical masses are kept at the corners of an equilateral trian...

    Text Solution

    |

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

    Text Solution

    |

  4. The mass of a uniform ladder of length 6m is 20kg. A mass 60kg is plac...

    Text Solution

    |

  5. From a sphere of radius 1m, a sphere of radius 0.5m is removed from th...

    Text Solution

    |

  6. A circular plate has a uniform thickness and has a diameter 56cm. A ci...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. Two particles A and B initially at rest, move towards each other, unde...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  19. Two bodies of masses 10 kg and 20 kg are located in x-y plane at (0, 1...

    Text Solution

    |

  20. A uniform disc of diameter R/2 is put over another uniform disc of dia...

    Text Solution

    |