MelissaEmerson
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Q what is the comparison between cohesion and adhesion
SibylBarnard
MelissaEmerson Release Time: November 4, 2024, 7:35 PM
Cohesion and adhesion are two fundamental concepts in physics that can describe the forces between molecules. Cohesion describes the intermolecular force, by which like molecules stick together. This force is due to an electrostatic attraction between molecules of the same substance. One fine example of cohesion is the surface tension of water that can support certain insects on the water’s surface. Again, adhesion is any physical force leading to the attraction of dissimilar or unrelated molecules to bond. The forces of attraction between dissimilar materials dominate over the repulsive forces. An example of adhesion is the climbing of water up a thin glass tube (capillary action) because of the attraction between the water molecules and the glass surface. These two forces play a conjoined role in many natural and technological processes.
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