diff options
Diffstat (limited to '3886/CH3/EX3.4')
| -rw-r--r-- | 3886/CH3/EX3.4/3_4.txt | 3 | ||||
| -rw-r--r-- | 3886/CH3/EX3.4/Ex3_4.sce | 11 |
2 files changed, 14 insertions, 0 deletions
diff --git a/3886/CH3/EX3.4/3_4.txt b/3886/CH3/EX3.4/3_4.txt new file mode 100644 index 000000000..d2a876941 --- /dev/null +++ b/3886/CH3/EX3.4/3_4.txt @@ -0,0 +1,3 @@ +
+--> exec('E:\My program EM\3. Resultant and equilibrium of system of coplanar non-concurrent forces\Ex3_4.sce', -1)
+R=108 kN is the resultant as shown in fig. 3.13 (a)
\ No newline at end of file diff --git a/3886/CH3/EX3.4/Ex3_4.sce b/3886/CH3/EX3.4/Ex3_4.sce new file mode 100644 index 000000000..18472dba7 --- /dev/null +++ b/3886/CH3/EX3.4/Ex3_4.sce @@ -0,0 +1,11 @@ +//Find resultant
+Rx=60-100*cosd(60)-120*cosd(30) //kN (towards left)
+Ry=-80+100*sind(60)-120*sind(30) //kN (downwards)
+R=sqrt(Rx^2+Ry^2) //kN
+alpha=atand(Ry/Rx) //degree (shown in fig. 3.13(b))
+MA=(80*100*cosd(60)+60*100*sind(60)+120*100*sind(30)) //kN-mm
+//intercept on x-axis is
+x=MA/Ry //mm (as shown in fig. 3.13(a))
+printf("R=%.0f kN is the resultant as shown in fig. 3.13 (a)",R)
+
+
|