cheyenne4200 cheyenne4200

08-09-2016
Biology

contestada

True or false you can float a needle on water?

Respuesta :

08-09-2016

If you put it horizontally it wilt sink, but if you put it vertically the pressure will keep it above water

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mielita7 mielita7

08-09-2016

Metal needles sink into water because they have higher density than that of water.However , when you put it horizontally, the pressure exerted by the needle is weakwe than the surface tension, so IT CAN FLOAT.

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