Required information SAE 30 oil at 20°C flows in the 3.3-cm-diameter pipe as shown in the figure below, which slopes at 37°. For SAE 30 oil, take p = 891 kg/m³ and μ = 0.29 kg/m-s. Is the direction of the given flow downward? Yes or No Yes No PB = 180 kPa 15 m 20 m 37⁰ PA = 500 kPa

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Fluid Dynamics

The study of the flow of gases and liquids, usually in and around solid surfaces, is known as fluid dynamics in physics and engineering. Fluid dynamics, for example, can be used to evaluate the movement of air through an airplane wing or the surface of a vehicle. It can also be used in ship design to increase the speed at which ships pass through water.