Any two animalsml moving in fluids
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Many kinds of animals move in water. Some animals stay on the surface of the water and use their limbs to propel them.
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MOVEMENT IN WATER.
sperm whale It has a mass of 60 tonnes and holds the diving record at a depth of 1134 metres.
king penguin It dives to between 15 metres and 265 metres in depth.
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The fluid is the name given to a substance which begins to flow when an external force is applied to it. Objects moving in fluids face the friction of the fluid that opposes their motion. So Objects moving in fluids must have unique shapes called streamlined shapes to reduce the fluid friction.
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