Sharks are generally negatively buoyant; the upward buoyant force is less than the weight force. This is
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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 .
a. What lift force must the shark’s fins provide if the shark is swimming in seawater?
b. Bull sharks often swim into freshwater rivers. What lift force is required in a river?
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Step by Step Answer:
To calculate the lift force required by the sharks fins we need to consider the buoyant force acting on the shark in seawater and freshwater The buoya...View the full answer
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Related Book For 
College Physics A Strategic Approach
ISBN: 9780134779218
4th Edition
Authors: Randall D. Knight, Brian Jones
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