Problem Nr. 4 A piston having a cross-sectional area of
0.07+0.01*Z[m^(2)]is located in a cylinder containing water, as shown in Figure 4. An open U-tube manometer is connected to the cylinder as shown. For
h_(1)=60mmand
h=100mm, what is the value of the applied force,
P, acting on the piston? The weight of the piston is negligible. Given:
(\rho *g)_(H2O)=9.80k(N)/(m^(3)),(\rho *g)_(Hg( mercury) )=133k(N)/(m^(3)). Z=1+0+6+8
=15