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Is centre of mass of reality ?...

Is centre of mass of reality ?

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No, centre of mass is a hypothetical point at which the whole mass of the system is supposed to be concentrated.
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Knowledge Check

  • The centre of mass

    A
    coincides always with the geometrical centre of the body.
    B
    always lies on a given body.
    C
    of two-particle system always lies on the line joining two particles.
    D
    is the average of the position vectors of all the

  • The centre of mass of a body

    A
    depends on the choice of co - ordinate system
    B
    is independent of the choice of co - ordinate system .
    C
    may or may not depend on the choice of co - ordinate system
    D
    None of the above

  • The centre of mass of a body

    A
    Lies always at the geometrical centre
    B
    Lies always inside the body
    C
    Lies always outside the body
    D
    May lie within or outside the body.

    • Similar Questions

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    The centre of mass of a body

    The centre of mass of a body

    The rate of change of angular momentum of a system of particles about the centre of mass is equal to the sum of external torque about the centre of mass when the centre of mass is :

    The centre of mass of a body lies

    Statement-1 : The centre of mass of a body may lie where there is no mass. Statement-2 : The centre of mass has nothing to do with the mass.

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