(11+4

)

=

(

15 marks)

\ 15\ Two steady incompressible fluid jets are pointed at curved surfaces as shown in the figure below. The mass flow rate, velocity (V) and cross-sectional area

(A)

of the two jets are identical. Also assume that the cross-sectional area of the jets does not change as the fluid flows. Gravity acts in the direction shown in the figure. An external force acts on each surface such that they remain stationary. The horizontal component of these forces

F_(1)

and

F_(2)

are shown in the figure.\ Ignoring the effects of gravity, it can be shown that there is a direct relationship between

F_(1)

and

F_(2)

, such that

F_(1)=BF_(2)

. What is e value of the constant

B

? Show all working to justify your answer.\ If we consider the effects of gravity, how does this alter the value of B?

(11+4=15marks) Two steady incompressible fluid jets are pointed at curved surfaces as shown in the figure below. The mass flow rate, velocity (V) and cross-sectional area (A) of the two jets are identical. Also assume that the cross-sectional area of the jets does not change as the fluid flows. Gravity acts in the direction shown in the figure. An external force acts on each surface such that they remain stationary. The horizontal component of these forces F1 and F2 are shown in the figure. Ignoring the effects of gravity, it can be shown that there is a direct relationship between F1 and F2, such that F1=BF2. What is e value of the constant B? Show all working to justify your answer. If we consider the effects of gravity, how does this alter the value of B