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+//CHAPTER 10 ILLUSRTATION 5 PAGE NO 271
+//TITLE:Brakes and Dynamometers
+clc
+clear
+//===========================================================================================
+//INPUT DATA
+q=220;//Angle of contact in degree
+T=340;//Torque in Nm
+d=0.32;//Diameter of drum in m
+U=0.3;//Coefficient of friction
+
+Td=(T/(d/2));//Difference in tensions in N
+Tr=exp(U*(q*(3.14/180)));//Ratio of tensions
+T2=(Td/(Tr-1));//Tension in N
+T1=(Tr*T2);//Tension in N
+P=((T2*(d/2))-(T1*0.04))/0.5;//Force applied in N
+b=(T1/T2)*4;//Value of b in cm when the brake is self-locking
+
+printf('The value of b is %3.2f cm when the brake is self-locking \n Tensions in the sides are %3.3f N and %3.3f N',b,T1,T2)