Adhesive forces

Adhesive forces

Adhesive forces


“What causes liquids to stick to surfaces?”


Have you ever wondered why liquids seem to have sticky properties? Well, let’s think about it. We know that molecules of a liquid substances are attracted to each other through the phenomena of intermolecular forces, but since all materials in the universe are made up of molecules, wouldn’t it be logical that molecules of these liquid substances could also be attracted to molecules outside of the substance? This is the fundamental idea behind adhesive forces. Because of adhesive forces, liquids have the ability to “stick” to the containers in which it rests. And most peculiar application of adhesive forces are utilized by the insect known as water striders, who can literally glide upon water.

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