Home
Class 11
PHYSICS
A force of - F hat(k) acts on O, the ori...

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

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise EXERCISE - 3|61 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise EXERCISE-I (Centre of Mass)|40 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise EXERCISE - 1B|51 Videos

  • SURFACE TENSION

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS )|8 Videos

  • THERMAL PROPERTIES OF MATTER

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - II) PRACTICE SHEET (ADVANCED) Integer/Subjective Type Questions|2 Videos
AAKASH SERIES-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-EXERCISE - 2
  1. A particle of mass 0.2 kg is moving with linear velocity (i-j+2k). If ...

    Text Solution

    |

  2. The magnitude of scalar and vector products of two vector are 48 sqrt(...

    Text Solution

    |

  3. A force of - F hat(k) acts on O, the origin of the coordinate system. ...

    Text Solution

    |

  4. The adjacent sides of a parallelogram are vec(P)=2i-3j+k and vec(Q)=-2...

    Text Solution

    |

  5. What is the condition for the vectors 2i+3j-4k and 3i-aj+bk to be para...

    Text Solution

    |

  6. a, b are the magnitudes of vectors vec(a) & vec(b). If vec(a)xx vec(b)...

    Text Solution

    |

  7. If vec(A)=4N, vec(B)=3N the value of |vec(A)xx vec(B)|^(2)+|vec(A).vec...

    Text Solution

    |

  8. If vec(A)=2hat(i)+3hat(j)+6hat(k) and vec(B)=3hat(i)-6hat(j)+2hat(k) t...

    Text Solution

    |

  9. Vertices of a triangle are given by hat(i)+3hat(j)+2hat(k), 2hat(i)-ha...

    Text Solution

    |

  10. Three identical spherical shells, each of mass m and radius r are plac...

    Text Solution

    |

  11. Two small spheres of masses 10 kg and 30 kg are joined by a rod of len...

    Text Solution

    |

  12. A ring has a mass of 0.5 kg and radius 1 m. The moment of inertia of t...

    Text Solution

    |

  13. Four particles each of mass 1 kg are at the four corners of a square o...

    Text Solution

    |

  14. The radius of gyration of a body about an axis at a distance of 4 cm f...

    Text Solution

    |

  15. Two disc have the same mass and thickness. Their materials are of dens...

    Text Solution

    |

  16. The moment of inertia of a cylinder about its own axis is equal to its...

    Text Solution

    |

  17. Two circular loops of radii R and nR are made of same wire. If their M...

    Text Solution

    |

  18. Three identical rings, each of mass M and radius R are placed in the s...

    Text Solution

    |

  19. The radius of gyration of a solid sphere of radius .R. about its tange...

    Text Solution

    |

  20. A straight thin uniform rod of length 4L and man 4M is bent into a squ...

    Text Solution

    |