diff options
Diffstat (limited to '3886/CH2/EX2.18')
| -rw-r--r-- | 3886/CH2/EX2.18/2_18.txt | 7 | ||||
| -rw-r--r-- | 3886/CH2/EX2.18/Ex2_18.sce | 17 |
2 files changed, 24 insertions, 0 deletions
diff --git a/3886/CH2/EX2.18/2_18.txt b/3886/CH2/EX2.18/2_18.txt new file mode 100644 index 000000000..45993c3de --- /dev/null +++ b/3886/CH2/EX2.18/2_18.txt @@ -0,0 +1,7 @@ +
+--> exec('E:\My program EM\2. Resultant and equilibrium of system of coplanar concurrent forces\Ex2_18.sce', -1)
+
+The required values are:-
+T1=44.80 kN
+T2=29.24 kN
+T3=25.04 kN
\ No newline at end of file diff --git a/3886/CH2/EX2.18/Ex2_18.sce b/3886/CH2/EX2.18/Ex2_18.sce new file mode 100644 index 000000000..04b2f780d --- /dev/null +++ b/3886/CH2/EX2.18/Ex2_18.sce @@ -0,0 +1,17 @@ +//finding tension and inclination
+//refer fig. 2.23 (a),(b) and (c)
+//Applying Lami's theorem at B
+T1=20*sind(50)/sind(180+30-50) //kN
+T2=20*sind(180-30)/sind(180+30-50) //kN
+//now consider equilibrium of forces at point C we get
+//T3*sind(theta)=22.4...(1)
+//T3*cosd(theta)=11.20...(2)
+//from (1) and (2) we get
+theta=atand(2) //degree
+//then (1) gives
+T3=T2*sind(50)/sind(theta) //kN
+printf("\nThe required values are:-\nT1=%.2f kN\nT2=%.2f kN\nT3=%.2f kN",T1,T2,T3)
+
+
+
+
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