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//Determine magnitude,direction and point of application
//refer fig.3.15(a)&(b)
Rx=500*cosd(60)-700 //N (towards left)
Ry=-500*sind(60)-1000-1200 //N (Downwards)
R=sqrt((Rx^2)+(Ry^2)) //N
alpha=atand(-Ry/Rx) //degree
//taking moment about O
MO=-500*300*sind(60)-1000*150+1200*150*cosd(60)-700*300*sind(60)
//let point of application of resultant be at a distance of x from point O along the horizontal then
x=MO/Ry //mm
printf("The Resultant is R=%.1f N as shown in fig.3.15",R)
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