Fluid density is a measure of the mass per unit volume of a fluid, typically expressed in kilograms per cubic meter (kg/m³). This property is crucial in understanding how fluids behave under various conditions, especially in relation to buoyancy, pressure, and flow dynamics. In the context of aerodynamics, fluid density directly influences the drag experienced by an object moving through a fluid, such as air, which plays a vital role in determining the overall drag force on an aircraft.
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