Hairs of paint brush cling together when wet.

1.	Hairs of paint brush cling together when wet.
Answer» Surface tension could be defined as the property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of the water molecules.<br>the hairs will cling together because they are wet, as we are in the habit of saying. ... So it is not exactly the wetness of the brush that makes the hairs cling together. Rather, it is a phenomenon called surface tension.<br>It is due to surface tension

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