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For which of the following does the cent...

For which of the following does the centre of mass lie outside the body ?

A

A pencil

B

A shotput

C

A dice

D

A bangle.

Text Solution

Verified by Experts

The correct Answer is:
D
Centre of mass of a bangle (a circular ring) lies a its geometric centre, which lies outside the body. The correct option is (d).
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Knowledge Check

  • there is a rod AB of uniform cross section and its centre is C. In which of the following case(s) centre of mass of the rod may lie at C.

    A
    Density of the material of rod increases continuously from A to B.
    B
    Density of the material of rod increases continuously from B to A.
    C
    Density of the material of rod increases from A to C and then decreases from C to B
    D
    Density of the material of rod decreases from A to C and then increases from C to B.

  • 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.

  • 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