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+clc;
+//page 198
+//Free body diagram
+m=30//in kg
+g=9.81//in m/s2
+w=-m*g//in J
+DC=[-480 240 -160]//in mm
+X=norm(DC)
+T=DC/X
+disp("Tension in the vector form=")
+disp(T)
+//Equilibrium equations
+//From equation 2, setting unit vector=0
+Ax=49//in N
+Ay=73.5//in N
+A=[Ax Ay]
+y=norm(A)
+disp("Tension in the vector form in N=")
+disp(y)