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A ring mass m and radius R has three par...

A ring mass `m` and radius `R` has three particle attached to the ring as shown in the figure. The centre of the centre `v_(0)`. Find the kinetic energy of the system. (Slipping is absent).
.

A

`6mv_(0)^(2)`

B

`12mv_(0)^(2)`

C

`2mv_(0)^(2)`

D

`8mv_(0)^(2)`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • A uniform ring of mass m and radius R is in uniform pure rolling motion on a horizontal surface. The velocity of the centre of ring is V_(0) . The kinetic energy of the segment ABC is:

    A
    `(mV_(0)^(2))/(2)-(mV_(0)^(2))/(pi)`
    B
    `(mv_(0)^(2))/(2)+(mv_(0)^(2))/(pi)`
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    D
    `mv_(0)^(2)`

  • Three rings each of mass M and radius R are arranged as shown in the figure. The moment of inertia of the system about YY¢ will be

    A
    `3MR^(2)`
    B
    `(3)/(2)MR^(2)`
    C
    `5MR^(2)`
    D
    `(7)/(2)MR^(2)`

  • For a uniform ring of mass M and radius R at its centre

    A
    field and potential both are zero
    B
    field is zero but potential is `(GM)/(R)`
    C
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    D
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