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// sum 3-8
clc;
clear;
OA=60;
AB=30;
OC=-20;
CD=-30;
theta=30;
angBEK=2*theta;
OM=14;
KM=49.5;
p1=70;
p2=-30;
angBEH=-37;
angBEI=143;
theta1=angBEH/2;
theta2=angBEI/2;
Tmax=50;
angBEL=53;
angBEN=233;
theta3=angBEL/2;
theta4=angBEN/2;
// printing data in scilab o/p window
printf("Stress on plane AB is %f MPa ",OM);
printf("\n Stress on plane AB is %f MPa ",KM);
printf("\n Principal stress p1 is %f MPa ",p1);
printf("\n Principal stress p2 is %f MPa ",p2);
printf("\n Principal angle theta1 is %f deg ",theta1);
printf("\n Principal angle theta2 is %f deg ",theta2);
printf("\n Maximum shear stress is %f MPa ",Tmax);
printf("\n Direction of plane theta3 is %f deg ",theta3);
printf("\n Direction of plane theta4 is %f deg ",theta4);
//The answers in the book are written in form of degrees and minutes.
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