why skydivers and swimmers change their effective size and orientation?
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The size, shape, and orientation of an object determine the fluid force on that object. Swimmers and sky divers change their shape and orientation by bending, twisting, and moving their arms and legs. This allows them to manipulate the fluid forces and consequently to control their speed and direction of motion.
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Answer:
The size, shape, and orientation of an object determine the fluid force on that object. Swimmers and sky divers change their shape and orientation by bending, twisting, and moving their arms and legs. This allows them to manipulate the fluid forces and consequently to control their speed and direction of motion.
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