Home
Class 11
PHYSICS
Resultant of the two vector is maximum w...

Resultant of the two vector is maximum when angle between them is :

A

`90^(@)`

B

`180^(@)`

C

`0^(@)`

D

`270^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C

`R = sqrt(P^(2) +Q^(2) + 2PQ cos 0^(@))`
`= sqrt(P^(2) +Q^(2) +2PQ) = P +Q`
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS

    PREMIERS PUBLISHERS|Exercise Other important questions & answers (II. Very short answer questions).|112 Videos
  • KINEMATICS

    PREMIERS PUBLISHERS|Exercise Other important questions & answers (III. Short answer questions).|26 Videos
  • KINEMATICS

    PREMIERS PUBLISHERS|Exercise Textbook questions & answers (IV. Numerical problems).|48 Videos
  • GRAVITATION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS (CONCEPTUAL QUESTIONS)|34 Videos
  • KINETIC THEORY OF GASES

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS (VI. Conceptual Questions.)|8 Videos

Similar Questions

Explore conceptually related problems

If the sum of the lengths of the hypotenuse and another side of a right-angled triangle is given, show that the area of the triangle is maximum when the angle between these sides is pi/3dot

When the sum to two vectors is maximum?

A and B are two vectors and theta is the angle between them, if |vecAxxvecB|= sqrt3 (vecA. vec B) the value of theta is :

Let veca and vec b be two unit vectors such that angle between them is 60^(@) .Then |veca - vec b| is equal to

If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between these vectors is

Two forces of magnitude F having a resultant of the same magnitude of ,F the angle between the two forces is ______

If veca and vecb are two vectors and angle between them is theta , then

If the magnitude of sum of two vectors is equal to the magnitude of difference to two vectors, the angle between these vector is :

PREMIERS PUBLISHERS-KINEMATICS -Other important questions & answers (I.Multiple choice questions).
  1. Displacement (y) of a body is represented by y = pt + qt^(2) - rt^(3)...

    Text Solution

    |

  2. What is the resultant vectors , when two vectors are at right angles t...

    Text Solution

    |

  3. Resultant of the two vector is maximum when angle between them is :

    Text Solution

    |

  4. Two vectors act along the mutually perpendicular directions are calle...

    Text Solution

    |

  5. Choose the correct statement from the following statement ?

    Text Solution

    |

  6. If vec(A) and vec(B) are perpendicular then vec(A) . vec(B)= . . ....

    Text Solution

    |

  7. Which of the following rule is applied to know the diretion of the vec...

    Text Solution

    |

  8. The parallelogram law of vector addition is equivalent to . . . . Meth...

    Text Solution

    |

  9. If for two vectors vec(A) and vec(B), vec(A) xx vec(B) = 0 then the v...

    Text Solution

    |

  10. Which of the following statements is /are not true ?

    Text Solution

    |

  11. If the magnitude of sum of two vectors is equal to the magnitude of di...

    Text Solution

    |

  12. If vec(A) and vec(B) are two vectors , which of the statement is wron...

    Text Solution

    |

  13. The displacement of a body is given by x = 2t^(3) - 6t^(2) + 12t + 6...

    Text Solution

    |

  14. If vec(A) and vec(B) are two vectors , vec(A) . vec(B) = vec(A) xx ve...

    Text Solution

    |

  15. A force of 5N acts on a particle along a direction making an angle of ...

    Text Solution

    |

  16. The expression ((1)/(sqrt(2))hat(i)+(1)/(sqrt(2))hat(j)) is a :

    Text Solution

    |

  17. For the figure, which of the following is correct ?

    Text Solution

    |

  18. It is found that |A +B| = |A| . This necessarily implies :

    Text Solution

    |

  19. The magnitude of the resultant of the two orthogonal vectors of 3 unit...

    Text Solution

    |

  20. The unit vector along the negative z-axis is :

    Text Solution

    |