1.10 The dam in Fig. Q1.10 has a curved face, being part of a 40m radius circle. The dam holds back water to a depth of 35 m. Calculate the mag- nitude and direction of the resultant hydrostatic force per metre length. [7840.6 x 10 N/m at 40 to the horizontal, acting downwards through the centre of curvature, C] 35m Fig. Q1.10 40 m Dam