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clear
//variable declaration
//A simply supported beam of span 3.0 m has a cross-section 120 mm × 180 mm. If the permissible stress in the material of the beam is 10 N/mm^2
b=(120)
d=(180)
//I=(b*d^3)/12,Ymax=d/2
Z=(b*(d**2))/6
fper=(10)
L=3
Mmax=fper*Z
//Let maximum udl beam can carry be w/metre length
//In this case, we know that maximum moment occurs at mid span and is equal to Mmax = (wL^2)/8
w=(Mmax*8)/((L**2)*1000000)
printf("\n (i) w= %0.2f KN/m",w)
// Concentrated load at distance 1 m from the support be P kN.
a=(1) //distance of point at which load is applied from left,m
b=(2) //distance of point at which load is applied from right,m
P=(L*Mmax)/(a*b*1000000)
printf("\n (ii) P= %0.2f KN",P)
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