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// to calculate force acting on 1mx 2m
// ex 2.8 pgno.46
clc
A=1*2 // velocity of the wind
v=(100*1000)/3600 // 100km/hr
mprintf('Velocity of the wind = %f m/s',v)
density=1.2 // in kg/m3
p0=(density*v^2)/2 //pressure
mprintf(' \n P0= %d N/m2',p0)
F=p0*A // fource
mprintf('\n Force F=p0A = %d N',F)
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