Snow, Benjamin Warner, 1860- · Madison, Wis. · leaf 216
the resultantvertical downward force just mentioned. There are now three possible conditions of equilibrium de-pending upon the relative magnitudes of Q and P. 1. If ^ > P, the resultant horizontal force is directed fromA toward the wall. Fig. 136, and this may be compounded withthe total… … Fig. 136. Elevation of surfacewhen the wall is wet. 172) that the surface of a liquid must be perpendicular to the re-sultant of all the forces acting, hence at A it cannot be horizon-tal. The liquid at this point must therefore rise and be inclinedto the wall at such an angle that the surface is…
Physics
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