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+///Chapter No 7 Fluid Mechanics
+////find mass density of liquid
+///Example 7.3 Page No:114
+//Input data
+clc;
+clear;
+S=0.85;             //Specific gravity of a liquid
+g=9.81;             //Acceleration due to gravity in m/s**2(constant)
+rhow=1000;          //Constant value
+
+
+///Calculation
+//Specific gravity S=roh/rohw 
+rho=S*rhow;         //Mass density in Kg/m**3
+w=rho*g;            //Weight Density in N/m**3
+v=1/rhow;          //Specific volume in m**3/kg
+
+
+///Output
+printf('Mass densit= %f kg/m^3 \n  ',rho);
+printf('Weight Density=%f N/m^3 \n ',w);
+printf('Specific volume= %f m^3/kg \n ',v);