(d) A fluid flows at a velocity of 0.2 m/s at point 1 (shown as A1) in the system shown in Figure 4. The diameter at point I is 50mm and the diameter at point 2 (shown as A2) is 30 mm. Determine the flow velocity at point 2. Also determine the flow rate in m/s. A, V1 Az V2 Q1 Q2 Figure 4

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.