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clc
//
// Variable declaration
sY=240 // Yield strength(MPa)
A1=(0.1*0.02) // Area of cross section(m**2)
A2=(0.02*0.02) // Area of cross section(m**2)
A3=(0.02*0.06) // Area of cross section(m**2)
A4=(0.06*0.02) // Area of cross section(m**2)
// Calculation
//Neutral Axis
A=(100)*(20) + (80)*(20) + (60)*(20) // Total area(mm**2)
y=(2400-((20)*(100)))/(20) // Distance(mm)
//Plastic Moment
R1=(A1*sY*1000) // Resultant force(kN)
R2=(A2*sY*1000) // Resultant force(kN)
R3=(A3*sY*1000) // Resultant force(kN)
R4=(A4*sY*1000) // Resultant force(kN)
Mp=(0.030*R1) + (0.010*R2) + (0.030*R3) + (0.070*R4) // Plastic moment(kN.m)
// Result
printf("\n Case(a) Plastic moment = %0.3f kN.m' ,Mp)
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