diff options
Diffstat (limited to '3862/CH2/EX2.21/Ex2_21.sce')
| -rw-r--r-- | 3862/CH2/EX2.21/Ex2_21.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/3862/CH2/EX2.21/Ex2_21.sce b/3862/CH2/EX2.21/Ex2_21.sce new file mode 100644 index 000000000..e220de538 --- /dev/null +++ b/3862/CH2/EX2.21/Ex2_21.sce @@ -0,0 +1,25 @@ +clear +// + +//A bar can develop a tensile force or a compressive force. Let the force developed be a compressive force S (push on the cylinder). + +//variable declaration +W=10.0 //weight of Roller,KN +IL=7.0 //inclined loading at angle of 45°,KN +H=5.0 //Horizontal loading ,KN + +theta=45.0*%pi/180 //angle of loading of IL +thetaS=30.0*%pi/180.0 + +//Since there are more than three forces in the system, Lami’s equations cannot be applied. Consider the components in horizontal and vertical directions. +//sum of vertical Fy & sum of horizontal forces Fx is zero +//Assume direction of Fx is right +//Assume direction of Fy is up + +S=(-H+IL*cos(theta))/cos(thetaS) +printf("\n S= %0.3f N",S) + +printf("\n Since the value of S is negative the force exerted by the bar is not a push, but it is pull (tensile force in bar) of magnitude %0.3f kN.",-S) + +R=W+IL*sin(theta)-S*sin(thetaS) +printf("\n R= %0.3f kN",R) |