Home
Class 11
PHYSICS
Let vec(A) be a unit vector along the ax...

Let `vec(A)` be a unit vector along the axis of rotation of a purely rotating body and `vec(B)` be a unit vector along the velocity of a particle P of the body away the axis. The value of `vec(A).vec(B)` is

A

1

B

`-1`

C

0

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise EXERCISE - 1B|51 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise EXERCISE - 2|106 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|99 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

If vec(u) and vec(v) are unit vectors and theta is the acute between them, then 2 vec(u) xx 3vec(v) is a unit vector for

If vec(P) and vec(q) are two unit vectors and the angle between them is 60^(@) then ((1+vec(p).vec(q))/(1-vec(p).vec(q))) is

AAKASH SERIES-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-EXERCISE - 1A
  1. A solid sphere, solid cylinder and a disc are allowed to roll down fro...

    Text Solution

    |

  2. Two identical hollow spheres roll down two inclined planes of same hei...

    Text Solution

    |

  3. Let vec(A) be a unit vector along the axis of rotation of a purely rot...

    Text Solution

    |

  4. A body is uniformly rotating about an axis fixed in an interial frame ...

    Text Solution

    |

  5. A body is in pure rotation. The linear speed v of the particle, the di...

    Text Solution

    |

  6. A body is rotating uniformaly about vertical axis fixed in an intertia...

    Text Solution

    |

  7. A uniform rod of length l is kept vertically on a horizontal smooth at...

    Text Solution

    |

  8. A circular disc A of radius r is made from an iron plate of thickness ...

    Text Solution

    |

  9. Equal torques act on the disc A and B of the pervious problem, initial...

    Text Solution

    |

  10. A closed cylindrical tube containing some water (not filling the entir...

    Text Solution

    |

  11. Let I(1) and I(2) be the moments of inertia of two bodies of identical...

    Text Solution

    |

  12. Consider the following two equations A) L=Iomega (B) (dL)/(dt)=tau

    Text Solution

    |

  13. A particle moves on a straight line with a uniform velocity. About its...

    Text Solution

    |

  14. A solid sphere, a hollow sphere and a disc, all having same mass and r...

    Text Solution

    |

  15. A disk and a sphere of same radius but different masses roll on two in...

    Text Solution

    |

  16. A solid sphere, a hollow sphere and a disc, all having same mass and r...

    Text Solution

    |

  17. The ratio of the accelerations for a solid sphere (mass 'm' and radius...

    Text Solution

    |

  18. Let I(A) and I(B) be moments of inertia of a body about two axes A and...

    Text Solution

    |

  19. A sphere is rotating about a diameter

    Text Solution

    |

  20. Two uniform solid spheres having unequal masses and unequal radii are ...

    Text Solution

    |