Home
Class 12
PHYSICS
Two forces, each of magnitude F have a r...

Two forces, each of magnitude F have a resultant of the same magnitude F. The angle between the two forces is

A

`45^(@)`

B

`120^(@)`

C

`150^(@)`

D

`60^(@)`

Text Solution

Verified by Experts

The correct Answer is:
b
`F^(2)=F^(2)+F^(2)+2F^(2) cos theta rarr cos theta =-1//2 rarr theta =120^(@)`
Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO VECTORS & FORCES

    VMC MODULES ENGLISH|Exercise level 2|65 Videos

  • INTRODUCTION TO VECTORS & FORCES

    VMC MODULES ENGLISH|Exercise JEE Main ( ARCHIVE ) ( LEVEL-1)|12 Videos

  • INTRODUCTION TO VECTORS & FORCES

    VMC MODULES ENGLISH|Exercise JEE Advanced ( ARCHIVE LEVEL-2)|12 Videos

  • GRAVITATION

    VMC MODULES ENGLISH|Exercise JEE Advance (Archive) TRUE/FALSE|1 Videos

  • JEE MAIN - 5

    VMC MODULES ENGLISH|Exercise PART I : PHYSICS (SECTION - 2)|5 Videos

Similar Questions

Explore conceptually related problems

Two forces with equal magnitudes F act on a body and the magnitude of the resultant force is F /3. The angle between the two forces is

Square of the resultant of two forces of equal magnitude is equal to three times the product of their magnitude. The angle between them is

Square of the resultant of two forces of equal magnitude is equal to three times the product of their magnitude. The angle between them is

Square of the resultant of two forces of equal magnitude is equal to three times the product of their magnitude. The angle between them is :

The resultant of two forces, one double the other in magnitude is perpendicular to the smaller of the two forces. The angle between the two forces is

Two force F_(1)" and "F_(2) are acting on a body. One force is double that of the other force and the resultant is equal to the greater force. Then the angle between the two forces is :-

Two forces F_(1) and F_(2) are acting on a body. One force is double that of the other force and the resultant is equal to the greater force. Then the angle between the two forces is

Two vectors, both equal in magnitude, have their resultant equal in magnitude of the either. Find the angle between the two vectors.

find the resultant of two forces each having magnitude F_0 and angle between them is theta .

Two forces each of magnitude 2N, act at an angle of 60^(@) . The magnitude of the resultant force

VMC MODULES ENGLISH-INTRODUCTION TO VECTORS & FORCES -level 1
  1. A force is inclined at 60^(@) to the horizontal. If its rectangular co...

    Text Solution

    |

  2. One of the two rectangular components of a force is 10 N and it makes ...

    Text Solution

    |

  3. Two forces, each of magnitude F have a resultant of the same magnitude...

    Text Solution

    |

  4. If three forces 2 hat i +3 hat j - hatk and 3 hat I -18hat j -4hatk an...

    Text Solution

    |

  5. Force 3N, 4N and 12 N act at a point in mutually perpendicular directi...

    Text Solution

    |

  6. The sum of magnitudes of two forces acting at a point is 16 N. If the ...

    Text Solution

    |

  7. Following forces start acting on a particle at rest at the origin of t...

    Text Solution

    |

  8. Two forces of 4 dyne and 3 dyne act upon a body. The resultant force o...

    Text Solution

    |

  9. If two vector are equal and rheir resultant is also equal to one of th...

    Text Solution

    |

  10. Two blocks A and B of masses 2kg and 3kg respectively, are placed on a...

    Text Solution

    |

  11. Given that T(1)=100 N then find T(2)

    Text Solution

    |

  12. A force F is applied on a block kept at the smooth surface in contact ...

    Text Solution

    |

  13. A 10 kg steel ball is suspended by two strings as shown. The tensions ...

    Text Solution

    |

  14. In the given figure O is the centre of regular pentagon ABCDE. Five fo...

    Text Solution

    |

  15. The given system is in equilibrium. The blocks are at same horizontal ...

    Text Solution

    |

  16. Find the mass m in the figure for the system to be at rest

    Text Solution

    |

  17. Find the value of tension in string 1 if the system equilibrium ? (...

    Text Solution

    |

  18. For the system shown in figure, the tensions in the string

    Text Solution

    |

  19. Find m(3) if the system is in equilibrium the incline is smooth and st...

    Text Solution

    |

  20. The system is in equilibrium. Find the angle theta

    Text Solution

    |