diff options
Diffstat (limited to '3862/CH2/EX2.9')
| -rw-r--r-- | 3862/CH2/EX2.9/Ex2_9.sce | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/3862/CH2/EX2.9/Ex2_9.sce b/3862/CH2/EX2.9/Ex2_9.sce new file mode 100644 index 000000000..4c53b8a90 --- /dev/null +++ b/3862/CH2/EX2.9/Ex2_9.sce @@ -0,0 +1,37 @@ +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) |