In a 45°bend a rectangular air duct of 1m2 cross sectional area is gradually reduced to 0.5 m2 area. Find magnitude and direction of the force required to hold the duct in position if velocity of flow at the 1 m2 section is 10m/s, and pressure is 2.943 N/ cm2. Take density of air as 1.16 kg/m3.
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12 окт 2024
