Home
Class 11
PHYSICS
In the given figure O is the centre of r...

In the given figure `O` is the centre of regular pentagon `ABCDE`. Five forces each of magnitude `F_(0)` are acted as shown in figure. The resultant force is

A

`5F_(0)`

B

`5F_(0) cos 72^(@)`

C

`5F_(0) sin 72^(@)`

D

zero

Text Solution

Verified by Experts

(d) According to polygon law, resultant force will be zero.
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    BITSAT GUIDE|Exercise BITSAT Archives|9 Videos

  • SIMPLE HARMONIC MOTION

    BITSAT GUIDE|Exercise BITSAT Archives|12 Videos

Similar Questions

Explore conceptually related problems

Two forces, each equal to F, act as shown in figure. Their resultant is

Two forces, each equal to F, act as shown in (figure) Their resultant is

Two forces F_(1) " and " F_(2) are acting on a rod abc as shown in figure.

Two forces, each numerically equal to 5 N, are acting as shown in the figure. Then the resultant is

Two forces each numerically equal to 5N are acting as shown in the figure, then find resultant of these two vectors.

Magnetic field strength at the centre of regular pentagon made of a conducting wire of uniform cross section area as shown in figure is:

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

Two forces , each numerically equal to 10 dyne are acting as shown in the following figure Their resultant is :

Three ants 1, 2 and 3 are pulling a grain with forces of magnitudes 2Nsqrt(3)N and sqrt(2)N and as shown in the figure. Find the resultant force acting on the grain.

Two force each numerically equal to 10 dynes are acting as shown in the figure, then find resultant of these two vectors.

BITSAT GUIDE-SCALARS AND VECTORS-All Questions
  1. The angle between A the resultant of (A+B) and (A-B) will be

    Text Solution

    |

  2. Three forces are acted on a body. Their magnitudes are 3N, 4N and 5N. ...

    Text Solution

    |

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

    Text Solution

    |

  4. ABCD is a parallelogram, and a,b,c and d are the position vector of ve...

    Text Solution

    |

  5. A man walks 4km due West, 500m due south finally 7580m in South-West d...

    Text Solution

    |

  6. A particle is being acted upon by four forces of 30 N due east , 20 N ...

    Text Solution

    |

  7. A block of 150kg is placed on an inclined plane withh an angle of 60^(...

    Text Solution

    |

  8. A cat is situated at a point A(0,3,4) and rat is situated at point B(5...

    Text Solution

    |

  9. Obtain the magnitude and direction cosines of vector (A-B), if A=2hati...

    Text Solution

    |

  10. The vertices of a quadrilateral are A(1,2,-1), B(-4, 2,-2), C(4,1,-5) ...

    Text Solution

    |

  11. A force F=ahati+bhatj+chatk is acted upon a body of mass m. If the bod...

    Text Solution

    |

  12. The angle between vector a=2hati+hatj-2hatk and b=3hati-4hatj is equal...

    Text Solution

    |

  13. Find the vector area of a triangle whose vertices are a,b, and c

    Text Solution

    |

  14. If three vectors xa-2b+3c, -2a+yb-4c and -zb+3c are coplanar, where a,...

    Text Solution

    |

  15. A force F=(2hati+3hatj-hatk)N is acting on a body at a position r=(6ha...

    Text Solution

    |

  16. Find the values of x and y for which vectors A=(6hati+xhatj-2hatk) and...

    Text Solution

    |

  17. Find the area oif the parallelogram determined A=2hati+hatj-3hatk and ...

    Text Solution

    |

  18. Choose the correct option

    Text Solution

    |

  19. The three conterminous edges of parallelopiped are a=2hati-6hatj+3hatk...

    Text Solution

    |

  20. If the three vectors are coplanar, then find x. A=hati-2hatj+3hatk, ...

    Text Solution

    |