what a fluid friction? explain why objects moving in fluids must have special shapes
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A fluid friction is the frictional force, exerted by fluids,against a moving object.
Objects moving in fluidsfaces the fluid friction which opposes their motion. So to reduce the fluidfriction Objects moving in fluids must have special shapes called streamlined shapes.
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Fluids is the common name given to gases and liquids.
The objects moving in fluids must have a special shape to overcome the fluid friction acting on them. Efforts are therefore made to minimise the friction, so objects are given special shape having pointed fronts with little broader middle portion which gets tapered at the back called streamlined.
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