The Falling Ball viscometer is designed based on the equilibrium relationship between the ball weight, buoyant force and drag force. The density of the fluid inside tube is  = 872.00 kg/m3. The diameter of the ball is D = 6.00 mm. The mass of the ball is m = 0.12 g. The travel time is recorded as t = 23.60 s for the distance L= 0.18 m between point 1 and 2.  (3) Determine the dynamic viscosity of the fluid_________ Pa·s

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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.