clc //initialisation of variables w= 62.4 //Lbsec/ft^3 d= 2 //in V= 100 //ft/sec g= 32.2 //ft/sec^2 a= 60 //degrees //CALCULATIONS W= w*(%pi/4)*(d/12)^2*V F= W*V/g N= W*V*sind(a)/g //RESULTS printf (' Normalforce on the plate when the jet is normal = %.1f Lb',F) printf ('.\n Normalforce on the plate when the jet is inclines at 60 degrees = %.f Lb',N)