Types of Forces Present in a Moving Liquid - The important forces
present in a moving liquid are Inertia Force, Viscous Force, Gravity
Force, Surface Tension Force, Pressure Force and Elastic Force.

**(a) Inertia force:**It is the product of mass and acceleration of the flowing liquid.**(b) Viscous force:**It is the product of shear stress due to viscosity and the cross-sectional area of flow.

**(c) Gravity force:**It is the product of mass and acceleration due to gravity of a flowing liquid.

**(d) Surface tension force:**It is the product of surface tension per unit length and length of the surface of flowing liquid.

**(e) Pressure force:**It is the product of intensity of pressure and the area of a flowing liquid.

**(f) Elastic force:**It is the product of elastic stress and the area of a flowing liquid.

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