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+//Solutions to Problems In applied mechanics
+//A N Gobby
+clear all;
+//tangential force
+clc
+//initialisation of variables
+I=179.2//lbf ft
+h=2240//ft
+w=4//ft
+w1=5//ft
+r=120//ft
+g=32.2//ft
+p=100//ft
+t=60//ft
+//CALCULATIONS
+M=(w*h*(w1)^2)/g//slug ft^3
+T=I/M//rad/s
+D=p*(2*%pi)/(t*T)//sec
+N=(p*(2*%pi)/t)/r//rad/s^2
+T1=M*N//lbf ft
+B=T1-I//lbf ft
+F=B/2*1/2//lbf
+//RESULTS
+printf('the deceleration =% f sec',D)
+printf('the tangential force on brake rim=% f lbf',F)