Home
Class 12
MATHS
The moment of force hat(i)+2hat(j)+3hat...

The moment of force `hat(i)+2hat(j)+3hat(k)` passing through the point `A(2,1,4)` about the point `B(5,0,1)`, is equal to

A

`3hat(i)-2hat(j)-9hat(k)`

B

`-3hat(i)+2hat(j)+9hat(k)`

C

`-3hat(i)+12hat(j)-7hat(k)`

D

`3hat(i)+12hat(j)+7hat(k)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER 3

    KCET PREVIOUS YEAR PAPERS|Exercise (MATHEMATICS)|60 Videos

  • MODEL TEST PAPER 5

    KCET PREVIOUS YEAR PAPERS|Exercise Mathematics|60 Videos

Similar Questions

Explore conceptually related problems

A particle being acted upon by the forces 5hat(i)-2hat(j)+hat(k) and 3hat(i)+hat(j)-2hat(k) is displaced from the point (2,3,5) to the point (7,-2,4) . The work done by the forces is equal to

Find the equation of straight line parallel to 2hat(i)-hat(j)+3hat(k) and passing through the point (5, -2, 4) .

Find the equation of the plane passing through the point P(1,1,1) and containing the line vec(r) = (-3 hat(i) + hat(j) + 5 hat(k)) + lambda (3 hat(i) - hat(j) - 5 hat(k)) . Also, show that the plane contains the line vec(r) = (- hat(i) + 2 hat(j) + 5hat(k)) + mu (hat(i) - 2 hat(j) - 5 hat(k)) .

Find the vector and Cartesian equations of the planes. That passes through the point (1, 4, 6) and the normal to the plane is hat(i)-2hat(j)+hat(k) .

Find the vector and Cartesian equations of the planes. That passes through the point (1, 0, -2) and the normal to the plane is hat(i)-2hat(j)+hat(k) .

Find the projection of vector hat(i) + 3hat(j) + 7hat(k) on the vector 2hat(i)-3hat(j) + 6hat(k) .

Findt the vector equation of the plane passing through the intersection of the planes r*(2hat(i)+2hat(j)-3hat(k))=7, r*(2hat(i)+5hat(j)+3hat(k))=9 and through the point (2, 1, 3).

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 4-Mathematics
  1. int(0)^(pi//2)|sinx-cosx|dx is equal to

    Text Solution

    |

  2. int(0)^(a+b)(f(x-a))/(f(x-a)+f(b-x))dx, is equal to

    Text Solution

    |

  3. The area bounded by the parabolas y=x-x^(2) and y=x^(2)-x, is equal to

    Text Solution

    |

  4. int(0)^(1)x(1-x)''dx is equal to

    Text Solution

    |

  5. The order and degree of the differential equation [2-((dy)/(dx))^(2)]^...

    Text Solution

    |

  6. Let vec(a),vec(b) and vec(c) be three independent vectors In the vecto...

    Text Solution

    |

  7. If vec(A)+vec(B)+vec(C)=0 and |vec(A)|=4,|vec(B)|=5 and |vec(C)|=1, th...

    Text Solution

    |

  8. The value of hat(i)xx(vec(a)xxhat(i))+hat(j)xx(vec(a)xxhat(j))+hat(k)x...

    Text Solution

    |

  9. If [vec(a),vec(b),vec(c)] denotes the scalar triple product of the vec...

    Text Solution

    |

  10. The equation r^(2)-2vec(r)*vec(c)=0 represents.

    Text Solution

    |

  11. The length of the intercepts on the coordinate axes made by the plane ...

    Text Solution

    |

  12. The moment of force hat(i)+2hat(j)+3hat(k) passing through the point ...

    Text Solution

    |

  13. A particle being acted upon by the forces 5hat(i)-2hat(j)+hat(k) and 3...

    Text Solution

    |

  14. If p to(qvvr) is false, then the truth values of p,q,r are respectivel...

    Text Solution

    |

  15. The contrapositive of the statement ''If 2^(2)=5 then I get first clas...

    Text Solution

    |

  16. Determine when the current will flow in the circuit

    Text Solution

    |

  17. If f:Rto is defined by f(x)=(1-x)/(1+x). Then the composition (fofofof...

    Text Solution

    |

  18. Pick out a function which is one - one but not onto

    Text Solution

    |

  19. Which of the following is false ?

    Text Solution

    |

  20. If 2^(8)-=(a+1)("mod "7) is true then a is

    Text Solution

    |