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Three equla force, each of magnitude P, ...

Three equla force, each of magnitude P, act along the side AB, BC, and CA of a trangle. Calculate the resultant force.

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Knowledge Check

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

    A
    `sqrt(2) N`
    B
    `sqrt(6) N`
    C
    `sqrt(8) N`
    D
    `sqrt(12) N`

  • ABC is an isosceles triangle right angled at A. forces of magnitude 2sqrt(2),5 and 6 act along BC, CA and AB respectively. The magnitude of their resultant force is

    A
    4
    B
    5
    C
    `11+2sqrt(2)`
    D
    30

  • The resultant of the forces 4,3,4 and 3 units acting along the lines AB, BC, CD and DA of a square ABCD of side 'a' respectively is

    A
    a force `5sqrt(2)` through the centre of the square
    B
    a couple of moment 7a
    C
    a null force
    D
    none of these

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    Three forces P, Q, R act along the sides BC, CA, AB of a triangle ABC taken in order : Write the conditions so that the resultant passes. Through the incentre, ………

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    Three forces P, Q, R act along the sides BC, CA, AB of a triangle ABC taken in order : Write the conditions so that the resultant passes. through the centroid ..........

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