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+//Fluid system - By - Shiv Kumar
+//Chapter 2 - Impact of Jet
+//Example 2.6
+ clc
+ clear
+//Given Data:-
+ M=13.5; //Mass of plate, kg
+ d=16; //Diameter of the Jet, mm
+ V=20; //Velocity of the Jet, m/s
+ L=300; //Length of Edge of plate, mm
+
+//Data Used:-
+ rho=1000; //Density of water, kg/m^3
+ g=9.81; //Acceleration due to gravity, m/s^2
+
+//Computations:-
+ d=d/1000; //m
+ L=L/1000; //m
+ W=M*g; //Weight of Plate, N
+ a=(%pi/4)*d^2; //cross sectional area of Jet, m^2
+ //(a)
+ Fx=rho*a*V^2; //Force exerted by Jet normal to plate, N
+ //Taking Moment at 'A',
+ P=Fx*(L/2)/L; //N
+ //(b)
+ theta=asind(rho*a*V^2/W); //Angle of Swing, degrees
+//Results:-
+ printf("(a)Horizontal force applied at Lower edge of plate to keep it vertical, P=%.3f N \n", P) //The answer vary due to round off error
+ printf("(b)Angle of swing, theta=%.2f degrees", theta) //The answer vary due to round off error
+
+