diff options
Diffstat (limited to '3886/CH2/EX2.7')
| -rw-r--r-- | 3886/CH2/EX2.7/2_7.txt | 3 | ||||
| -rw-r--r-- | 3886/CH2/EX2.7/Ex2_7.sce | 10 |
2 files changed, 13 insertions, 0 deletions
diff --git a/3886/CH2/EX2.7/2_7.txt b/3886/CH2/EX2.7/2_7.txt new file mode 100644 index 000000000..52fc22652 --- /dev/null +++ b/3886/CH2/EX2.7/2_7.txt @@ -0,0 +1,3 @@ +
+--> exec('E:\My program EM\2. Resultant and equilibrium of system of coplanar concurrent forces\Ex2_7.sce', -1)
+The third force is F=467.2 N and makes an angle of theta=61.08 degree
\ No newline at end of file diff --git a/3886/CH2/EX2.7/Ex2_7.sce b/3886/CH2/EX2.7/Ex2_7.sce new file mode 100644 index 000000000..71b465ef7 --- /dev/null +++ b/3886/CH2/EX2.7/Ex2_7.sce @@ -0,0 +1,10 @@ +//Finding the third force F
+//Assume that the third force F makes an angle theta with x-axis
+//Resolving the forces we get
+//F*cosd(theta)=-225.9...(1) //N
+//F*sind(theta)=-408.9...(2) //N
+//Then (2)/(1) gives
+theta=atand(-408.9/-225.9) //degree
+F=sqrt(225.9^2+408.9^2) //N
+printf("The third force is F=%.1f N and makes an angle of theta=%.2f degree",F,theta)
+
|