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Three particles of masses 1kg, 2kg and 3...

Three particles of masses `1kg`, `2kg` and `3kg` are placed at the corners A, B and C respectively of an equilateral triangle ABC of edge `1m`. Find the distance of their centre of mass from A.

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The correct Answer is:
0.73 m
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Knowledge Check

  • If three particles of masses 2kg, 1kg and 3kg are placed at corners of an equilateral triangle of perimeter 6m then the distance of centre of mass which is at origin of particles from 1kg mass is (approximately) (Assume 2kg on x-axis)

    A
    `sqrt(6) m`
    B
    `sqrt(2)m`
    C
    `1/(sqrt(2)m`
    D
    `2m`

  • Four particles of masses 1kg, 2kg, 3kg and 4kg are placed at the four vertices A, B, C and D of a square of side 1m. Find the position of centre of mass of the particles.

    A
    `(0.5,0.3)`
    B
    `(0.4,0.3)`
    C
    `(0.5,0.8)`
    D
    `(0.7,0.3)`

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