Home
Class 12
MATHS
Find the moment about a line through (0,...

Find the moment about a line through `(0,0,0)` having the direction `2hati-2hatj+hatk` due to a 20 kg force acting at (-4,2,5) in the direction of `12hati-4hatj-3hatk`.

Promotional Banner

Topper's Solved these Questions

  • VECTORS

    MODERN PUBLICATION|Exercise Exercise|500 Videos

  • UNIT TEST-4

    MODERN PUBLICATION|Exercise EXERCISE|13 Videos

Similar Questions

Explore conceptually related problems

The moment about a line through the origin having the direction of 30( 12hati -4hatj -3hatk) is

Find the moment of the couple consisting of the force vecF=3hati+2hatj-hatk acting through the point hati-hatj+hatk and -vecF acting through the point 2hati-3hatj-hatk .

Find the equation of the line in vector and in cartesian form that passes through the point with position vector 2hati-hatj+4hatk and is in the direction hati + 2hatj - hatk

Find the image of the point hati+3hatj+4hatk in the plane vecr.(2hati-hatj+hatk)+3=0 .

Find the unit vector parallel to the resultant vector of 2hati+4hatj-5hatk and hati+2hatj+3hatk .

Direction ratio's of vectors 2hati+3hatj+4hatk are :

Direction ratio's of vectors 3hati+2hatj+4hatk are :

Find the moment (torque) about the point hati+2hatj+3hatk of a force represented by hati+hatj+hatk acting through the point -2hati+3hatj+hatk .

Find the moment about the point hati+2hatj-hatk of a force represented by hati+2hatj+hatk acting through the point 2hati+3hatj+hatk .

MODERN PUBLICATION-VECTORS-Exercise
  1. Find the moment about a line through (0,0,0) having the direction 2hat...

    Text Solution

    |

  2. Represent graphically a displacement of 40 km, 30^o west of south.

    Text Solution

    |

  3. Represent the following graphically a displacement of : 40 km, 30^@ ea...

    Text Solution

    |

  4. Represent the following graphically a displacement of : 40 km, 30^@ ea...

    Text Solution

    |

  5. Classify the following measure as scalar and vector: 10 Kg

    Text Solution

    |

  6. Classify the following measure as scalar and vector: 40^o

    Text Solution

    |

  7. Classify the following measure as scalar and vector: 2 meters north-w...

    Text Solution

    |

  8. Classify the following measure as scalar and vector:40watt

    Text Solution

    |

  9. Classify the following measure as scalar and vector: 10^(-19)coulomb

    Text Solution

    |

  10. Classify the following measure as scalar and vector: 20 m/s^2

    Text Solution

    |

  11. Classify the following measures as scalars and vectors: 1000 cm^3

    Text Solution

    |

  12. Classify the following measures as scalars and vectors: 10 N

    Text Solution

    |

  13. Classify the following measures as scalars and vectors: 30 km/h

    Text Solution

    |

  14. Classify the following as scalar and vector quantities: time period

    Text Solution

    |

  15. Classify the following as scalar and vector quantities: distance

    Text Solution

    |

  16. Classify the following as scalar and vector quantities: force

    Text Solution

    |

  17. Classify the following as scalar and vector quantities: velocity

    Text Solution

    |

  18. Classify the following as scalar and vector quantities:work done

    Text Solution

    |

  19. In the figure identify the following vectors : Co-initial.

    Text Solution

    |

  20. In the figure identify the following vectors : Equal.

    Text Solution

    |

  21. A girl walks 4 km towards west, then she walks 3 km in a direction 30^...

    Text Solution

    |