Home
Class 11
PHYSICS
Assertion : Two axes AB and CD are as sh...

Assertion : Two axes AB and CD are as shown in figure. Given figure is of a semi-circular ring. As the axis moves from AB towards CD, moment of inertia first decreases, then increases.

Reason : Centre of mass lies somewhere between AB and CD.

A

If both Assertion and Reason are correct and Reason is the correct explanation of Assertion

B

If both Assertion and Reason are true but Reason is not the correct explanation of Assertion

C

If Assertion is true but Reason is fasle

D

If Assertion is false but Reason is true

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ROTATION

    DC PANDEY ENGLISH|Exercise (C) Chapter Exercises|39 Videos

  • ROTATION

    DC PANDEY ENGLISH|Exercise (A) Chapter Exercises|83 Videos

  • RAY OPTICS

    DC PANDEY ENGLISH|Exercise Integer type q.|14 Videos

  • ROTATIONAL MECHANICS

    DC PANDEY ENGLISH|Exercise Subjective Questions|2 Videos

Similar Questions

Explore conceptually related problems

Assertion: There is a triangular plate as shown. A dotted axis is lying in the plane of slab. As the axis is moved downwards, moment of inertia of slab will first decrease then increase. Reason: Axis is first moving towards its centre of mass and then it is receding from it.

Assertion: There is a thin rod AB and a dotted line CD. All the axes we are talking about are perpendicular to plane . As we take different axes moving from A to D, moment of inertia of the rod may first decrease then increase. Reason: Theorem of perpendicular axis cannot be applied here.

There are two wires ab and cd in a vertical plane as shown in figure. Direction of current in wire a is rightwards. Choose the correct options.

The moment of inertia of a thing uniform rod of length L and mass M , about axis CD (as shown in figure) is

Linear mass density of the two rods system, AC and CD is x. moment of inertia of two rods about an axis passing through AB is

The moment of inertia of a cylinder of mass 1000gm and radius 20cm about the axis AB shown in figure is

In figure, AB and CD are common tangents to two circles of equal radii. Prove that AB=CD.

In figure, AB and CD are common tangents to two circles of unequal radii. Prove that AB=CD

In the given figure if AB|| CD find angle APM and PQD

Find the moment of inertia of the rod AB about an axis yy as shown in figure. Mass of the rod is m and length is l.

DC PANDEY ENGLISH-ROTATION-(B) Chapter Exercises
  1. Assertion : If we draw a circle around the centre of mass of a rigid b...

    Text Solution

    |

  2. Assertion : The condition of equilibrium for a rigid body is Transla...

    Text Solution

    |

  3. Assertion : Two axes AB and CD are as shown in figure. Given figure is...

    Text Solution

    |

  4. Assertion : If a particle moves with a constant velocity, then angular...

    Text Solution

    |

  5. Assertion : Two identical solid spheres are rotated frm rest to same a...

    Text Solution

    |

  6. Assertion : A ring and a disc of same mass and radius begin to roll wi...

    Text Solution

    |

  7. Assertion : A sphere is placed in pure rolling condition over a rough ...

    Text Solution

    |

  8. Assertion : In rotational plus translational motion of a rigid body, d...

    Text Solution

    |

  9. Assertion : Angular momentum of sun and planet system about any point ...

    Text Solution

    |

  10. Assertion : Moment of inertia about an axis passing throught centre of...

    Text Solution

    |

  11. Assertion : A solid sphere cannot roll without slipping on smooth hori...

    Text Solution

    |

  12. Assertion : Speed of any point on rigid body executing rolling motion...

    Text Solution

    |

  13. Assertion : A solid sphere and a ring of same mass and radius are rele...

    Text Solution

    |

  14. Assertion : A uniform disc of radius R is performing impure rolling mo...

    Text Solution

    |

  15. Assertion : Two identical spherical balls are released from two inclin...

    Text Solution

    |

  16. Assertion : A solid and a hollow sphere both of equal masses and radii...

    Text Solution

    |

  17. If radius if earth is reduced to half without changing its mass, then ...

    Text Solution

    |

  18. A disc rolls on ground without slipping. Velocity of centre of mass is...

    Text Solution

    |

  19. A solid sphere is rotating about an axis shown in figure. An insect fo...

    Text Solution

    |

  20. Four rods of equal length l and mass m each forms a square as shown in...

    Text Solution

    |