diff options
Diffstat (limited to '3886/CH8/EX8.1')
| -rw-r--r-- | 3886/CH8/EX8.1/8_1.sce | 12 | ||||
| -rw-r--r-- | 3886/CH8/EX8.1/8_1.txt | 3 |
2 files changed, 15 insertions, 0 deletions
diff --git a/3886/CH8/EX8.1/8_1.sce b/3886/CH8/EX8.1/8_1.sce new file mode 100644 index 000000000..f70b4fc26 --- /dev/null +++ b/3886/CH8/EX8.1/8_1.sce @@ -0,0 +1,12 @@ +//Resultant of system
+//Refer fig. 8.5
+//Let E be the equilibriant
+//using virtual work principle
+//-E*cosd(theta)=50*cosd(45)+80*cosd(25)+70*cosd(50)=152.86 N
+//-E*sind(theta)=-50*sind(45)+80*sind(25)+70*sind(50)=52.07*sind(25)
+//Thus
+a=152.86 //N (R*cosd(theta))
+b=52.07 //N (R*sind(theta))
+R=sqrt(a^2+b^2) //N
+theta=atand(b/a) //degree
+printf("Resultant R=%.2f N inclined at theta=%.2f degree w.r.t positive x-axis",R,theta)
diff --git a/3886/CH8/EX8.1/8_1.txt b/3886/CH8/EX8.1/8_1.txt new file mode 100644 index 000000000..5cf1ab4fe --- /dev/null +++ b/3886/CH8/EX8.1/8_1.txt @@ -0,0 +1,3 @@ +
+--> exec('E:\My program EM\8. Virtual work\8.1.sce', -1)
+Resultant R=161.49 N inclined at theta=18.81 degree w.r.t positive x-axis
\ No newline at end of file |