File:Pushing a sphere.JPG

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Pushing_a_sphere.JPG(330 × 169 pixels, file size: 5 KB, MIME type: image/jpeg)
Pushing a sphere into water creates a dimple (left) in the surface, caused by the force on the particle being balanced by the surface tension. But if the electrostatic force pushing the sphere into the liquid is balanced by the electrostatic pressure on the liquid interface, there is no force on the rim and the surface is flattened again (right), inhibiting capillary attraction. R1, R2 are the radii of curvature of the surface.

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current19:59, 3 May 2009Thumbnail for version as of 19:59, 3 May 2009330 × 169 (5 KB)Nanniu (Talk | contribs)
19:59, 3 May 2009Thumbnail for version as of 19:59, 3 May 2009330 × 169 (5 KB)Nanniu (Talk | contribs)[[Image:Pushing_a_sphere.JPG|200px|thumb|center|Pushing a sphere into water creates a dimple (left) in the surface, caused by the force on the particle being balanced by the surface tension. But if the electrostatic force pushing the sphere into the liqui
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