HydroStatics130

where h = the depth, = density of liquid

Thrust on a vertical surface has sometimes appeared on the Leaving Cert exam, although the syllabus is confined to ‘Thrust on a horizontal surface’. In case this happens again, you might need the formula for thrust, T on a vertical surface.

It is T=PcA, where Pc = the pressure at the centre of gravity, and A = the area of the surface.

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