A horizontal lawn sprinkler in Fig. 5 has a water flow rate of 15 Ipm introduced vertically through the center. Estimate a) The rotational speed (rpm) of the sprinkler considering frictionless pivot b) The torque required to hold the sprinkler stationary d = 6 mm R= 150 mm %3D

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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.