Question

what are the advantages and disadvantages of fluid friction

Answer 1

The main disadvantages of fluid friction are: 1)It reduces the speed of objects moving through the fluids.It makes speeding up harder. 2)When objects  move through fluids, they lose some of their energy in overcoming the fluid friction. This decreases their efficiency

Answer 2

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Advantages of fluid friction:-

Flotation of ship,Hover crafts, hot air balloons etc which helps in transportation

Disadvantages of fluid friction:-

Fluid friction reduces the speed of objects moving through the fluids by opposing their motion.