what are the factors affecting friction on an object in a fluid ?
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could they be smoothness/roughness of the surface of the object, density of the fluid, viscosity of the fluid, temperature, velocity of the object in the liquid..
Adhesive and Cohesive forces among the molecules of the object and fluid..
one or more of the above factors?
Adhesive and Cohesive forces among the molecules of the object and fluid..
one or more of the above factors?
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Answer:
Fluid friction depends upon :- 1.The speed of the object. 2.Shape of the object. 3.The nature of the fluid. Eg:- Birds flying in air have streamlined body to reduce fluid friction. Fishes living in water have streamlined body to reduce fluid friction. Aeroplanes and spacecrafts have streamlined body to reduce fluid friction.
Explanation:
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