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The surface tension force is the force acting on the surface of the liquid and directed tangentially to the liquid surface, perpendicular to the contour segment on which it acts and proportional to the length of this segment

When a tower of sand is built, it is affected by various forces, such as gravity, friction, and surface tension1. Gravity acts on the tower at the bottom and increases as the height of the tower increases. Frictional force acts between the sand and the surface on which the tower is built. Surface tension acts on the surface of the sand and can help hold the tower together. #science #experiment #physics

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