Fluid Kinematics : The branch of Fluid Mechanics in which we study the fluids in motion is known as Fluid Kinematics.
If we are studying the fluid kinematics then we have to consider velocity, acceleration, certain forces, energy and rate of flow.
Path Lines : A path line is a trace made by a single particle over a period of time.
The line or path followed by a single fluid particle is known as path line.
The path line shows the direction of the velocity of the particle at successive instants of time.
Streamlines : Streamlines Show the mean direction of a number of particles at the same instants of time.
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