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diff --git a/3886/CH2/EX2.1/Ex2_1.sce b/3886/CH2/EX2.1/Ex2_1.sce
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+//Determination of magnitude of forces and angle between them
+//Assume F1=F then F2=2*F1
+//condition 1 gives
+//5*F^2+4*F^2*cosd(theta)=67600...(1)
+//condition 2 gives
+//5*F^2-4*F^2*cosd(theta)=32400...(2)
+//Adding (1) and (2)
+F=sqrt(10000)  //N
+F1=F  //N
+F2=2*F  //N
+//put F1 and F2 in Equation (1)
+theta=acosd(0.44)  //degree
+printf("Magnitude of forces are :-\n F1=%.0f N\n F2=%.0f N",F1,F2)
+printf("\nAngle between the forces is :-\n theta=%.1f degree",theta)