Home
Class 11
PHYSICS
Assertion : If there is no external torq...

Assertion : If there is no external torque on a body about its centre of mass, then the velocity of the centre of mass remains constant.
Reason : The linear momentum of an isolated system remains constant.

A

Assertion is True, Reason is True, Reason is a correct explanation for Assertion

B

Assertion is True, Reason is True, Reason is not a correct explanation for Assertion

C

Assertion is True, Reason is False

D

Assertion is False, Reason is False.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • FORCE

    TARGET PUBLICATION|Exercise Evaluation Test|16 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.10 Conditions of equilibrium of a rigid body)|1 Videos

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos

Similar Questions

Explore conceptually related problems

Satement-1: if there is no external torque on a body about its centre of mass, then the velocity of the center of mass remains constant. Statement-2: The linear momentum of an isolated system remains constant.

Can the temperature of an isolated system remain constant?

The angular momentum of a moving body remains constant if

Show that in the absence of any external force, the velocity of the centre of mass remains constant.

How much is the torque due to gravity on a body about its centre of mass ?

Velocity Of Centre Of Mass Of System

The velocity of centre of mass of the system remains constant, if the total external force acting on the system is.

The momentum of a system with respect to centre of mass

When there is no external torque acting on a body moving in an elliptical path, which of the following quantities remain constant ?

TARGET PUBLICATION-FORCE -Competitive Theinking (Miscellaneous)
  1. A balloon with mass m is descending down with an acceleration a (where...

    Text Solution

    |

  2. A plumb line is suspended from a ceiling of a car moving with horizont...

    Text Solution

    |

  3. A body of mass 10 kg is upon by a force given by equation F=(3t^(2)-30...

    Text Solution

    |

  4. The velocity (v) of a particle (under a force F) depends on its distan...

    Text Solution

    |

  5. A body of mass m=10^(-2) kg is moving in a medium and experiences a f...

    Text Solution

    |

  6. A light string passing over a smooth light pulley connects two blocks ...

    Text Solution

    |

  7. A body of mass m = 3.513 kg is moving along the x-axis with a speed of...

    Text Solution

    |

  8. A nucleus of uranium decays at rest into nuclei of thorium and helium....

    Text Solution

    |

  9. Two spherical bodies of mass M and 5M & radii R & 2R respectively are ...

    Text Solution

    |

  10. A ball is released from the top of a tower. The ratio of work done by ...

    Text Solution

    |

  11. Hammer of mass M strikes a nail of mass 'm' with a velocity 20 m/s int...

    Text Solution

    |

  12. Two paricle A and B initially at rest, move towards each other under m...

    Text Solution

    |

  13. Two particles of equal mass have velocities vec v1 = 2 hat i= m//s^-1 ...

    Text Solution

    |

  14. Assertion : If there is no external torque on a body about its centre ...

    Text Solution

    |

  15. Assertion:A table cloth can be pulled from a table without dislodging ...

    Text Solution

    |

  16. A body of mass (4m) is laying in xy-plane at rest. It suddenly explode...

    Text Solution

    |

  17. A partical of mass m is driven by a machine that deleveres a constant ...

    Text Solution

    |

  18. The mass of hydrogen molecule is 3.32xx10^(-27) kg. If 10^(23) hydroge...

    Text Solution

    |

  19. A lift weighing 250 kg is to be lifted up at a constant velocity of 0....

    Text Solution

    |

  20. It is found that if a neutron suffers an elastic collinear collision w...

    Text Solution

    |