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clear
//
//variable declaration
PA=100.0 //inclined up loading at 60° at A, N
PB1=80.0 //Vertical down loading at B,N
PB2=80.0 //Horizontal right loading at at B,N
PC=120.0 //inclined down loading at 30° at C,N
thetaA=60.0*%pi/180.0
thetaB=30.0*%pi/180.0
//Taking horizontal direction towards left as x axis and the vertical downward direction as y axis.
////sum of vertical Fy & sum of horizontal forces Fx is zero
//Assume direction of Fx is right
//Assume direction of Fy is up
Fx=PB2-PA*cos(thetaA)-PC*cos(thetaB)
Rx=-Fx
Fy=PB1+PC*sin(thetaB)-PA*sin(thetaA)
Ry=Fy
R=sqrt((Rx**2)+(Ry**2))
printf("\n R= %0.2f KN",R)
alpha=atan(Fy/Fx)*180/%pi
printf("\n alpha= %0.2f °",(-alpha))
//Let x be the distance from A at which the resultant cuts AC. Then taking A as moment centre,
x=(PB1*100*sin(thetaA)+PB2*50+PC*sin(thetaB)*100)/Ry
printf("\n x= %0.3f mm",x)
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