Home
Class 11
PHYSICS
Four bodies of equal mass start moving w...

Four bodies of equal mass start moving with same speed as shown in the figure. In which of the following combination the centre of mass will remain at origin

A

c and d

B

a and b

C

a and c

D

b and d

Text Solution

Verified by Experts

The correct Answer is:
C
Because, a and c are moving in opposite direction and COM lie on line joining between them.
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Angular Displacement, Velocity and Acceleration)|34 Videos

  • ROTATIONAL MOTION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Moment of Inertia)|139 Videos

  • NEWTON'S LAWS OF MOTION

    ERRORLESS|Exercise ASSERTION & REASON |18 Videos

  • SIMPLE HARMONIC MOTION

    ERRORLESS|Exercise Assertion & Reason|15 Videos

Similar Questions

Explore conceptually related problems

Three rods of the same mass are placed as shown in the figure. Calculate the coordinates of the centre of mass of the system.

The velcoity of centre of mass of the system as shown in the figure :-

Six rods of the same mass m and length ? are arranged as shown in figure. Calculate the coordinate of the centre of mass of the system:- У >X

Five masses are placed in a plane as shown in figure. The coordinates of the centre of mass are nearest to

Two particles of equal mass are moving along the same line with the same speed in the same direction. What is the speed of the centre of mass of the system ?

The coordinate of the centre of mass of a system as shown in figure : -

The coordinate of the centre of mass of a system as shown in figure : -

From a 16cmxx8cm rectangular uniform plane sheet, exactly one quarter of the sheet is removed as shown in figure. If the origin be taken at the centre of the sheet considered as shown in the figure the coordinates of the centre of mass of the remaining sheet is

A particle of mass of m is moving along the side of square of side 'a' with a uniform speed u in the X-Y plane as shown in the figure. Which of the following statements is false for the angular momentum vecL about the origin ?

ERRORLESS-ROTATIONAL MOTION-Assertion & Reason
  1. Four bodies of equal mass start moving with same speed as shown in the...

    Text Solution

    |

  2. Statement-1 : The centre of mass of a two particle system lies on the ...

    Text Solution

    |

  3. Statement-1 : The centre of mass of a system of n particles is the wei...

    Text Solution

    |

  4. Assertion : The centre of mass of an isolated system has a constant ve...

    Text Solution

    |

  5. Statement-1: The center of mass of body may lie where there is no mass...

    Text Solution

    |

  6. Assertion : A particle is moving on a straight line with a uniform vel...

    Text Solution

    |

  7. Statement-1 : The centre of mass of a proton and an electron, released...

    Text Solution

    |

  8. Statement-1 : The position of centre of mass of a body does not depend...

    Text Solution

    |

  9. Assertion : A shell at rest, explodes. The centre of mass of fragments...

    Text Solution

    |

  10. Assertion: A judo fighter in order to throw his opponent onto the matt...

    Text Solution

    |

  11. Assertion: The centre mass of an electron and proton, when released mo...

    Text Solution

    |

  12. Assertion : At the centre of earth, a body has centre of mass , but no...

    Text Solution

    |

  13. Assertion: When a body dropped from a height explodes in mid air, its ...

    Text Solution

    |

  14. Statement -1: It is harder to open and shut the door if we apply force...

    Text Solution

    |

  15. Statement-1 : Moment of inertia of a particle is same, whatever be the...

    Text Solution

    |

  16. Assertion : Inertia and moment of inertia are same quantities. Reaso...

    Text Solution

    |

  17. If earth shrink (without change in mass) to half it's present size. Le...

    Text Solution

    |

  18. Statement -1: Torque due to force is maximum when angle between vec r ...

    Text Solution

    |

  19. Statement-1 : Radius of gyration of a body is a constant quantity. ...

    Text Solution

    |

  20. Assertion: A ladder is more apt to slip, when you are high up on it th...

    Text Solution

    |

  21. Statement -1 : Torque is equal to rate of change of angular momentum ....

    Text Solution

    |