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+///Chapter No 7 Fluid Mechanics
+////Find mass density of oil
+///Example 7.2 Page No:114
+///Input data
+clc;
+clear;
+V=3*10^-3;      //3l of oil in m**3
+W=24;            //Weight of oil in N
+g=9.81;          //Gravity in m/s**2
+rhow=1000;       //Constant value
+
+
+//Calculation
+m=W/g;     //Mass in Kg
+rho=m/V;       //Mass density in kg/m**3
+w=W/V;         //Weight Density in N/m**3
+v=V/m;         //Specific volume in m**3/kg
+S=rho/rhow;      //Specific gravity
+ 
+//Output
+printf('mass= %f kg \n',m);
+printf('Mass density= %f kg/m^3 \n',rho);
+printf('Weight Density= %f N/m^3\n ',w);
+printf('Specific volume= %f m^3/kg \n ',v);
+printf('Specific gravity= %f \n ',S);
+