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+//Solutions to Problems In applied mechanics
+//A N Gobby
+clear all;
+
+clc
+//initialisation of variables
+w=30//mile/h
+r=500//ft
+h=2240//ft
+q=44//ft
+t=(88/60)//ft
+g=32.2//ft
+//CALCULATIONS
+Tan=(w*t)^2/(g*r)
+W=h*cosd(Tan)+(h*(q)^2*sind(Tan))/(g*r)//lbf
+//RESULTS
+printf('the car and resolve forces normal and parallel to the slope=% f',Tan)
+printf('the total normal reaction =% f lbf',W)