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A girl is swinging in a swing in the sit...

A girl is swinging in a swing in the sitting position. How will the period of the swing be affected if she stands up?

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As girls stands up C. M. shift towards the axis of rotation. I decreases `:. = MR^2` Now by
`:. omega` increases i.e. `(2pi)/T` increases `:. T` decreases
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