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Why does a uniform wooden stick or log f...

Why does a uniform wooden stick or log float horizontally ? If enough iron is added to one end, it will float vertically , explain also.

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Knowledge Check

  • A uniform rope of their mass density lamda and length l is coiled on smooth horizontal surface. One end is pulled up by an external agent wit consant vertical velocity v . Choose the correct option(s)

    A
    Power developed by external agent as a function of `x` is `P=lamdaxgv`
    B
    Power developed by external agent as a function of `x` is `P=(lamdav^(2)+lamdaxg)v`
    C
    Energy lost during the complete lift of the rope is zero
    D
    Energy lost during the complete lift of the rope is `(lamdalv^(2))/2`

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