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The angular acceleration of a body, moving along the circumference of a circle, is:

Option 1 -

along the axis of rotation

Option 2 -

along the radius, away from centre

Option 3 -

along the radius towards the centre

Option 4 -

along the tangent to its position

0 3 Views | Posted a month ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    a month ago
    Correct Option - 1


    Detailed Solution:

    Radius of gyration of a solid surface,

    K S = 2 5 R

    Radius of gyration of a hollow surface,

    K H = 2 3 R

    ⇒ K S K H = 3 5 = 3 5

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