diff options
Diffstat (limited to '3862/CH2/EX2.24')
| -rw-r--r-- | 3862/CH2/EX2.24/Ex2_24.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/3862/CH2/EX2.24/Ex2_24.sce b/3862/CH2/EX2.24/Ex2_24.sce new file mode 100644 index 000000000..1d8eca541 --- /dev/null +++ b/3862/CH2/EX2.24/Ex2_24.sce @@ -0,0 +1,26 @@ +clear +// + +//variable declaration +PB=200.0 //Vertical loading at B,N +PD=250.0 //Vertical loading at D,N +thetabc=30.0*%pi/180.0 +thetabd=60.0*%pi/180.0 +thetaed=45.0*%pi/180.0 +//Free body diagrams of points B and D . Let the forces in the members be as shown in the figure. Applying Lami’s theorem to the system of forces at point D, + +T1=PD*sin(%pi-thetabd)/sin(thetaed+(%pi/2)-thetabd) +T2=PD*sin(%pi-thetaed)/sin(thetaed+(%pi/2)-thetabd) + +printf("\n T1= %0.2f N",T1) +printf("\n T2= %0.2f N",T2) + +//sum of vertical Fy & sum of horizontal forces Fx is zero +//Assume direction of Fx is right +//Assume direction of Fy is up + +T3=(PB+T2*cos(thetabd))/cos(thetabc) +printf("\n T3= %0.2f N",T3) + +T4=(T2*sin(thetabd))+T3*sin(thetabc) +printf("\n T4= %0.2f N",T4) |