Sharks are generally negatively buoyant; the upward buoyant force is less than the weight force. this is one reason sharks tend to swim continuously; water moving past their fins causes a lift force that keeps sharks from sinking. a 92 kg bull shark has a density of 1040 kg/m3. what lift force must the shark's fins provide if the shark is swimming in seawater? bull sharks often swim into freshwater rivers. what lift force is required in a river?
Answers: 2
= Density of seawater = 1030 kg/m³
= Density of freshwater = 1000 kg/m³
= Density of shark = 1040 kg/m³
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