Water (r=103 kg/m3, =0.001 kg/m.s) flows through the below reducing elbow at a flow rate of 30 kg/s. The inlet pressure (P1) is 4 105 Pa and the pressure drop through the elbow (P1-P2) is 1.5 104 Pa. The cross- sectional area at the inlet section (point 1) is 150 cm2 and at the outlet section (point 2) is 25 cm2. The elevation difference between the outlet and inlet points is 40 cm. Determine a) the net force (in N)