Question 2 a. Define the term Newtonian Fluid (with aid of a graphical representation). [4 marks] b. For the tank shown in Figure 3 below. calculate i. The magnitude of the resultant force. Fr, on the circular port ii. The location of the center of pressure [8 marks] c. If the tank is now sealed at the top with a pressure of 13.8 kPa above the oil, calculate: i. The new resultant force acting on the port ii. The new location of the center of pressure [8 marks] 450-mm diameter 0.45 m 1.5 m Circular view port is centered in inclined side of tank. Oil (sg=0.85) 0.30 m 30 Figure 3