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//Find resultant
Rx=60-100*cosd(60)-120*cosd(30) //kN (towards left)
Ry=-80+100*sind(60)-120*sind(30) //kN (downwards)
R=sqrt(Rx^2+Ry^2) //kN
alpha=atand(Ry/Rx) //degree (shown in fig. 3.13(b))
MA=(80*100*cosd(60)+60*100*sind(60)+120*100*sind(30)) //kN-mm
//intercept on x-axis is
x=MA/Ry //mm (as shown in fig. 3.13(a))
printf("R=%.0f kN is the resultant as shown in fig. 3.13 (a)",R)
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