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102823578

Surface tension. Iron needle stay atop the liquid because of surface tension.

Surface tension. Iron needle stay atop the liquid because of surface tension. If the needle were placed point down on the surface, its weight acting on a smaller area would break the surface, and it would sink.

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Size Width Height Mp
s 500 px 500 px 0.5
m 1000 px 1000 px 2
l 2000 px 2000 px 8
xl 2704 px 2704 px 15
vect 2704 px 2704 px -

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