Home
Class 11
PHYSICS
A force of -4Fhat(K) acts O, the origin ...

A force of `-4Fhat(K)` acts O, the origin of the coordinate system. The torque about the point `(1,-1)` is

A

`-4F(hat(i) - hat(j))`

B

`4F(hat(i) - hat(j))`

C

`-4F(hat(i) + hat(j))`

D

`4F(hat(i) + hat(j))`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SCALARS AND VECTORS

    TARGET PUBLICATION|Exercise Competitive Thinking|64 Videos

  • REFRACTION OF LIGHT

    TARGET PUBLICATION|Exercise EVALUATION TEST|12 Videos

Similar Questions

Explore conceptually related problems

A force of -Fhatk actgs on O, the origin of the coodinate system. The torque about the point (1,-1) is

A force of - F hat k on O , the origin of the coordinate system. The torque about the point (1, -1) is. .

A force Fhatk acts on O, the origin of the coordinate system. The torque of this force about the point is: (1,-1) is

A particle is placed at the origin of the coordinate system. Two forces of magnitude 20N & 10N act on it as shown in figure. It is found that it starts moving towards the point (1,1) . The net unknown force acting on the particle at this position can be :

Statement-I : Magnitude of torque of a force about a given point does not depend upon the location of the origin of the co-ordinate system. Statement II: Moment of couple is different for different points in its plane

A single force acts on a particle situated on the negative x-axis. The torque about the origin is in the positive z-direction. The force is

The magnitude of the torque exerted at origin by the force F=i+2j+k at the point (1,1,1) is ?

Calculate the total torque acting on the body shown in figure about the point O

TARGET PUBLICATION-SCALARS AND VECTORS-Evaluation Test
  1. A force vec(F) = 4hat(i) + 3hat(j) - 2hat(k) is passing through the or...

    Text Solution

    |

  2. Assertion: If vec(a) = hat(i) + 2hat(j) - 2hat(k), vec(b) = 2hat(i) + ...

    Text Solution

    |

  3. Two forces of magnitudes 3 N and 5 N act at the same point on an objec...

    Text Solution

    |

  4. If vec(A) is a vector of magnitude 3 units due east. What is the magni...

    Text Solution

    |

  5. A body constrained to move in Y direction, is subjected to a force giv...

    Text Solution

    |

  6. Choose the incorrect option. The two vectors vec(P) and (Q) are dra...

    Text Solution

    |

  7. When vector hat(n) = ahat(i) + bhat(j) is perpendicular to (2hat(i) + ...

    Text Solution

    |

  8. A force of -4Fhat(K) acts O, the origin of the coordinate system. The ...

    Text Solution

    |

  9. If hat(i), hat(j) and hat(k) are unit vectors along x,y and z-axis res...

    Text Solution

    |

  10. vec(A)and vec(B) are the two vectors such that ratio their dot product...

    Text Solution

    |

  11. Two vectors vec(A) and vec(B) lie in plane, another vector vec(C ) lie...

    Text Solution

    |

  12. A particle acted upon by constant forces 5hat(i) + hat(j) - 2hat(k) an...

    Text Solution

    |

  13. The x and y components of vectors vec(A) are 4 m and 6 m respectively...

    Text Solution

    |

  14. The angel subtended by the vector A = 6hat(i) + 3hat(j) + 4hat(k) with...

    Text Solution

    |

  15. A particle moves in the x-y plane under the action of a force vec(F) s...

    Text Solution

    |

  16. Given vec(A) = 3hat(i) + 2hat(j) and vec(B) = hat(i) + hat(j). The com...

    Text Solution

    |

  17. A vector vec(A) is along the positive x-axis and its vector product w...

    Text Solution

    |

  18. What is the area of the triangle formed by sides vec(A) = 2hat(i) - 3h...

    Text Solution

    |

  19. The component of vector vec(A) = a(x) hat(i) + a(y) hat(j) + a(z) hat(...

    Text Solution

    |