Home
Class 12
PHYSICS
The resultant of two forces 3P and 2P is...

The resultant of two forces 3P and 2P is R. If the first vector is doubled, the resultant of the vector is also doubled. The angle between the vector is

A

`30^@`

B

`120^@`

C

`90^@`

D

`75^@`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    MBD PUBLICATION|Exercise QUESTION BANK|338 Videos
  • WAVE OPTICS

    MBD PUBLICATION|Exercise QUESTION BANK|218 Videos

Similar Questions

Explore conceptually related problems

In case of parallel vectors, what is the angle between the two vectors.

Two vectors magnitude 2P and P are inclined to each other at a certain angle theta . If the first vector is doubled . Then the resultant vector is increased three times. Find theta .

How one finds the difference between two vectors ?

MBD PUBLICATION-VECTOR ANALYSIS-QUESTION BANK
  1. The maximum value of resultant of two forces is 5 N and minimum is 1 N...

    Text Solution

    |

  2. The resultant of two forces each of magnitude P acting at a point is s...

    Text Solution

    |

  3. The resultant of two forces 3P and 2P is R. If the first vector is dou...

    Text Solution

    |

  4. For two equal non parallel forces acting at a point the square of the ...

    Text Solution

    |

  5. P and 2P are two forces acting on a particle. When the first force is ...

    Text Solution

    |

  6. The distance between the point P(3,4,-7) and Q (-2,5,10) is

    Text Solution

    |

  7. The vector vec P =hati+ 12hatj + hatk and vec Q= 2hati -a hatj + 4hatk...

    Text Solution

    |

  8. The condition in which the vectors vec P=3hati - 5 hatj + 5hatk and ve...

    Text Solution

    |

  9. If when two equal non parallel forces acting at a point the square of ...

    Text Solution

    |

  10. Two vectorsvec A and vec B are such that vec A+ vec B = vec C and A^2 ...

    Text Solution

    |

  11. If abs(vec A xx vec B)=vec A. vec B, then angle theta between vectors ...

    Text Solution

    |

  12. A force factor applied on mass is represented by vec F = 6hati - 8hatj...

    Text Solution

    |

  13. Let A=i A costheta+ j A sintheta ( is a vector. Another vector B is w...

    Text Solution

    |

  14. Find the torque of a force vec F =-3hati +hatj +5hatk acting a point v...

    Text Solution

    |

  15. If vectors vec P, vec Q, vec R have magnitudes 5, 12, and 13 units and...

    Text Solution

    |

  16. If unit vector is represented by 0.5 hati +0. 8 hat j + c hat k, then ...

    Text Solution

    |

  17. A truck is moving due north at 30 m/s runs west and travels in the sam...

    Text Solution

    |

  18. A particle is moving eastward with velocity of 5 m/s. In 10 seconds, t...

    Text Solution

    |

  19. A river is flowing from west to east at a speed of 5 metres per minute...

    Text Solution

    |

  20. A boat which has a speed of 5 km/hr in still water crosses a river of ...

    Text Solution

    |