diff options
Diffstat (limited to '3886/CH3/EX3.3')
| -rw-r--r-- | 3886/CH3/EX3.3/3_3.txt | 3 | ||||
| -rw-r--r-- | 3886/CH3/EX3.3/Ex3_3.sce | 11 |
2 files changed, 14 insertions, 0 deletions
diff --git a/3886/CH3/EX3.3/3_3.txt b/3886/CH3/EX3.3/3_3.txt new file mode 100644 index 000000000..e7c451717 --- /dev/null +++ b/3886/CH3/EX3.3/3_3.txt @@ -0,0 +1,3 @@ +
+--> exec('E:\My program EM\3. Resultant and equilibrium of system of coplanar non-concurrent forces\Ex3_3.sce', -1)
+R=68.06 kN as shown in fig. 3.12(a)
diff --git a/3886/CH3/EX3.3/Ex3_3.sce b/3886/CH3/EX3.3/Ex3_3.sce new file mode 100644 index 000000000..9115560e8 --- /dev/null +++ b/3886/CH3/EX3.3/Ex3_3.sce @@ -0,0 +1,11 @@ +//Determine Resultant
+//horizontal direction is assumed as x-axis and vertical as y-axis
+Rx=-20*cosd(60) //kN (towards left)
+Ry=-20-30-20*sind(60) //kN (downwards)
+R=sqrt(Rx^2+Ry^2) //kN
+alpha=atand(Ry/Rx) //degree (as shown in fig. 3.12(b))
+//Taking moment about A
+MA=20*1.5+30*3+20*6*sind(60) //kN-m
+//x-intercept of the resultant is
+x=MA/Ry //m (shown in fig.)
+printf("R=%.2f kN as shown in fig. 3.12(a)",R)
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