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All the particles of body are situated a...

All the particles of body are situated at a distance R from the origin. The distance of the centre of mass of the body from the origin is also R. Is this statement true or false?

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The correct Answer is:
A

All particles of semicircular ring lie at a distance R from origin O. But its COM distance y from O is less than R.
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Knowledge Check

  • All the particles of a body are situated at a distance R from the origin. The distance of the centre of mass of the body from the origin is

    A
    `=R`
    B
    `leR`
    C
    `gtR`
    D
    `geR`

  • All the particles of a body situated at distance d from the origin. The distance of the center of mass of the body from the origin is

    A
    `= d`
    B
    `le d`
    C
    `gt d`
    D
    `ge d`

  • A large number of particles are placed around the origin, each at a distance R from the origin. The distance of the center of mass of the system from the origin is

    A
    `=R`
    B
    `leR`
    C
    `gtR`
    D
    `geR`

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