Home
Class 11
PHYSICS
A vector vecA points vertically upward a...

A vector `vecA` points vertically upward and `vecB` points towards north. The vector produce `vecAxxvecB` is

A

east

B

west

C

vertically downward

D

south

Text Solution

Verified by Experts

The correct Answer is:
A
Rotating fingers of right hand from `vecB` to `vecA`, then thumb of right hand given direction of `vecB xx vecB`.
Promotional Banner

Topper's Solved these Questions

  • VECTORS

    GRB PUBLICATION|Exercise MORE THAN ONE CHOICE IS CORRECT|15 Videos

  • VECTORS

    GRB PUBLICATION|Exercise ASSERTION- REASON|1 Videos

  • VECTORS

    GRB PUBLICATION|Exercise PROBLEMS FOR PARCTICE|23 Videos

  • UNITS AND DIMENSIONS

    GRB PUBLICATION|Exercise Link Compression|6 Videos

Similar Questions

Explore conceptually related problems

A vector vecA points vertically upward and vecB oints towards north. The vector product vecAxxvecB is

A vector vec(A) points verically upward and vec(B) points towards north. The vector product vec(A) xx vec(B) is

A vector vec A prints vertically upward and vec B points towards. What is the direction of vec A xx vec b ?

A Vector bar(P) points vertically downwards and another vector bar(Q) points towards north then. The vector bar(P)timesbar(Q) points towards.

If vecA along North and vecB vertically upward then the directions of vecAxxvecB is along

If for two vector vecA and vecB , vecAxxvecB=0 then

vecA and vecB and vectors expressed as vecA = 2hati + hatj and vecB = hati - hatj Unit vector perpendicular to vecA and vecB is:

Two vectros vecA and vecB are obtained by joining the origin to the points whose coordinates are (1,0,1-1) and (-1,1,1). Findteh magnitude of the vectors vecAxxvecB and the direction cosines of this vector.

If veca vecb be any two mutually perpendiculr vectors and vecalpha be any vector then |vecaxxvecb|^2 ((veca.vecalpha)veca)/(veca|^2)+|vecaxvecb|^2 ((vecb.vecalpha)vecb)/(|vecb|^2)-|vecaxxvecb|^2vecalpha= (A) |(veca.vecb)vecalpha|(vecaxxvecb) (B) [veca vecb vecalpha](vecbxxveca) (C) [veca vecb vecalpha](vecaxxvecb) (D) none of these

If two non-parallel vectors vecA and vecB are equal in magntiude, them vectors (vecA - vecB) and (vecA + vecB) will be :

GRB PUBLICATION-VECTORS-OBJECTIVE QUESTIONS
  1. ABCD is parallelogram vecA, vecB, vecC and vecD are the position vec...

    Text Solution

    |

  2. A lion is at some instant a position A(2m, 6m ,-1m) and a goat is...

    Text Solution

    |

  3. A vector vecA points vertically upward and vecB points towards north. ...

    Text Solution

    |

  4. A parallelogram is fromed withveca and vecb as the sides let vecd...

    Text Solution

    |

  5. vecA and vecB and vectors expressed as vecA = 2hati + hatj and vecB = ...

    Text Solution

    |

  6. The vector area of triangle position vectors of whose vertices are vec...

    Text Solution

    |

  7. Area of the parallelogram formed by vectors vecA = hati + 2hatj+ 4 ...

    Text Solution

    |

  8. Can a flight of a bird be an example of composition of vectors ?

    Text Solution

    |

  9. Find the torque of a force vecF= -3hati+hatj+5hatk acting at the poin...

    Text Solution

    |

  10. vecR is the resultant of vecA and vecB . vecR is inclined to vecA a...

    Text Solution

    |

  11. Projection of 2hati + 6hatj on Z-axis is :

    Text Solution

    |

  12. vecR is the resultant of vecA and vecB . vecR is inclined to vecA a...

    Text Solution

    |

  13. hata, hatb and hatc are unit vectors. If the hata +hatb = hatc, th...

    Text Solution

    |

  14. Diagonals of a parallelogram are respresented by vectors vecA = 5ha...

    Text Solution

    |

  15. A particle is moving on a cicular path of radius 'R' . As it moves ...

    Text Solution

    |

  16. If vec(A) makes an angle alpha, beta and gamma from x,y and z axis res...

    Text Solution

    |

  17. Magnitudes of vectors vecP, vecQ and vecR are equal, If vecP + vecQ+...

    Text Solution

    |

  18. A vector vecA is rotated through angle theta about its tail. Chan...

    Text Solution

    |

  19. A particle is moving on a circular path with a constant speed 'v'. ...

    Text Solution

    |

  20. Linear momentum of an object can be expressed as vecP= (4 cos t)ha...

    Text Solution

    |