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///Chapter No 7 Fluid Mechanics
///Example 7.4 Page No:116
////Find mass density of liquid
//Input data
clc;
clear;
dy=21*10^-3; //Horizontal plates in mm
du=1.4; //Relative velocity between the plates in m/s
mu=0.6; //Oil of viscosity 6 poise in Ns/m^2
///Calculation
tau=mu*(du/dy); //Shear in the oil in N/m^2
///Output
printf('shear in the oil= %f N/m^2 \n',tau);
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