From 7bc77cb1ed33745c720952c92b3b2747c5cbf2df Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Sat, 3 Feb 2018 11:01:52 +0530 Subject: Added new code --- 3886/CH2/EX2.18/2_18.txt | 7 +++++++ 3886/CH2/EX2.18/Ex2_18.sce | 17 +++++++++++++++++ 2 files changed, 24 insertions(+) create mode 100644 3886/CH2/EX2.18/2_18.txt create mode 100644 3886/CH2/EX2.18/Ex2_18.sce (limited to '3886/CH2/EX2.18') 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) + + + + -- cgit