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Define centre of mass of a body. Give th...

Define centre of mass of a body. Give the location of centre of mass of a sphere.

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The point at which the entire mass of the particles appears to be concentrated is called the centre of mass. Centre of mass lies at the geometric centre.
Note : For cylinders, ring and cube, the centre of mass lies at their geometric centres.
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Knowledge Check

  • Three particles of masses 2 kg, 4 kg and 6 kg are located at the vertices of an equilateral triangle of side 0.5 m. What is the position of centre of mass if the origin is located at 2 kg mass and 4 kg mass located along x-axis ?

    A
    0.29 m, 0.22 m
    B
    2.9 m, 2.2 m
    C
    1.9 m, 1.2 m
    D
    None of these

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