A team of Japanese researchers studied the structure of the great white's skin, particularly the tiny translucent scales known as denticles, resembling teeth, which reduce drag and serve as armor for the shark.
Denticles on a shark's body help keep flow attached around it while swimming, reducing pressure drag caused by flow separation around objects like airplanes.
Friction drag is another factor in movement efficiency; it arises from shear force between the fluid medium and the object's surface, affecting the object's speed and efficiency.
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