Question

what is hydrodynamicswhat is hydrodynamics

Answer 1

Hello!
a branch of physics that deals with the motion of fluids and the forces acting on solid bodies immersed in fluids and in motion relative to them — compare hydrostatics.
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Answer 2

$\Large \text{Hydro\: Dynamics :-}$

❁ It is a branch of Fluid Mechanics which deals with the study of fluids at rest .

❁ The common name for liquids and gases is fluids . Fluid is a Latin word meaning is "to flow". solids have definite size and shape the size and shape of solid .the size and shape of solids changes slightly under the action of external forces .

❁ Hydro means water and this is in general applicable to all Fluids the most common liquid used in the study of liquids is water .

❁ Hence The name hydrostatics has stuck to this branch of Physics properties of water are almost closer to that of Ideal liquid .