Material which will float and make sink other in water

khbr

khbr

@khbr-B5P6DJ • Oct 25, 2024
A ball like structure which will float in water , and such 4 -5 balls make box sink provided box alone will also float in water, may be with some air inside it.
what kind of material should i use?
and
what can be their weight or dimension.
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  • Ramani Aswath

    Ramani Aswath

    @ramani-VR4O43 • Oct 27, 2012

    Make a shoe box sized box with a water tight lid with enough weight to make it just float. Tennis balls float on water. However if you put a few of these inside the box, their added weight will make the box sink.
    0
  • khbr

    khbr

    @khbr-B5P6DJ • Oct 28, 2012

    thanks for answer.
    i need smaller and little more practical model.
    0