Home
Class 11
PHYSICS
When vecA.vecB=-|vecA||vecB|, then :-...

When `vecA.vecB=-|vecA||vecB|`, then :-

A

`vec A` and `vec B` are perpendicular to each other

B

`vec A` and `vec B` act in the same direction

C

`vec A` and `vec B` act in the opposite direction

D

`vec A` and `vec B`can act in any direction

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Motion in a Plane

    SL ARORA|Exercise Example|111 Videos

  • MECHANICS

    SL ARORA|Exercise Exercise|341 Videos

  • MOTION IN ONE DIMENSION

    SL ARORA|Exercise problems for self practice|66 Videos

Similar Questions

Explore conceptually related problems

When vecA.vecB=-|A||B| , then

If |vecA+vecB|=|vecA|+|vecB| , then angle between vecA and vecB will be

If vectors vecA and vecB are such that |vecA+vecB|= |vecA|= |vecB| then |vecA-vecB| may be equated to

If |vecA-vecB|=|vecA|=|vecB| , the angle between vecA and vecB is

If |vecA + vecB| = |vecA - vecB| , then the angle between vecA and vecB will be

If |vecA xx vecB| = |vecA*vecB| , then the angle between vecA and vecB will be :

if| vecAxxvecB|=|vecA.vecB| , then angle between vecA and vecB will be

For two vectors veca and vecb,veca,vecb=|veca||vecb| then (A) veca||vecb (B) veca_|_vecb (C) veca=vecb (D) none of these

If vecA.vecB = |vecA xx vecB| , find angle between vecA and vecB .

If |veca - vecb|=|veca| =|vecb|=1 , then the angle between veca and vecb , is

SL ARORA-Motion in a Plane-Excercise
  1. Two vectors are perpendicular if

    Text Solution

    |

  2. The angle between the two vectors A= 5 hat i +5 hat j, and B = 5 hat ...

    Text Solution

    |

  3. When vecA.vecB=-|vecA||vecB|, then :-

    Text Solution

    |

  4. The position vector of a point is R =x hat i +y hat j + z hat kand ano...

    Text Solution

    |

  5. For vectors vec(A) and vec(B) making an angle theta which one of the f...

    Text Solution

    |

  6. A vector vec A points vertically upward and vec B points towards. What...

    Text Solution

    |

  7. If vectors 2i-j+k,i+2j-3k and 3i+mj+5k are coplaner, then m is a root ...

    Text Solution

    |

  8. Which of the following is correct relation between an arbitrary vector...

    Text Solution

    |

  9. if|vecAxxvecB|=|vecA.vecB|, then angle between vecA and vecB will be

    Text Solution

    |

  10. If | AxxvecB|= sqrt3 vec A.vec B, then the value of vecA+ vec B is

    Text Solution

    |

  11. If the angle between the vectors vec A and vec B is theta, the value o...

    Text Solution

    |

  12. A cyclist starts from the centre O of a circular park of radius 1km, r...

    Text Solution

    |

  13. A cyclist moves in such a way that he takes 60^0 turn after every 100 ...

    Text Solution

    |

  14. An object is moving in a circle of radius 100 m with a constant speed ...

    Text Solution

    |

  15. Two boys are standing at the ends A and B of a ground, where AB=a. The...

    Text Solution

    |

  16. A coastguard ship locates a pirate ship at a distance of 560 m. It fir...

    Text Solution

    |

  17. Ratio between maximum range and square of time of flight in projectile...

    Text Solution

    |

  18. The speed of a projectile at its maximum height is half of its initial...

    Text Solution

    |

  19. One projectile moving with velocity v in space gets burst into 2 parts...

    Text Solution

    |

  20. A particle is projected with certain velocity at two different angles ...

    Text Solution

    |