Fluid statics Study of fluid at rest i e. not in motion or not flowing On any plane, shear force is zero(no velocity gradient or shear deformation hence only pressure forces exist Sx ss Pasca’sLaw For fluid at rest, pressure at a point is the same in all directionFluid Statics • Study of fluid at rest, i.e. not in motion or not flowing • On any plane, shear force is zero (no velocity gradient or shear deformation) hence only pressure forces exist Pascal’s Law • For fluid at rest, pressure at a point is the same in all direction P = Px = Py = Pz