From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 1205/CH7/EX7.9/S_7_9.sce | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 1205/CH7/EX7.9/S_7_9.sce

(limited to '1205/CH7/EX7.9')

diff --git a/1205/CH7/EX7.9/S_7_9.sce b/1205/CH7/EX7.9/S_7_9.sce
new file mode 100644
index 000000000..e443b59d1
--- /dev/null
+++ b/1205/CH7/EX7.9/S_7_9.sce
@@ -0,0 +1,26 @@
+clc;
+yB=0.5;//m, sag of the cable
+m=0.75;//kg/m, mass per unit length
+g=9.81;//m/s^2, acceleration due to gravity
+AB=40;//m, distance AB
+//a. Load P
+w=m*g;//N/m , Load per unit length
+xB=AB/2;//m, distance CB
+W=w*xB;//N, applied at halfway of CB
+
+//Summing moments about B
+//sum(M_B)=0
+To=W*xB/2/yB;//N
+//from force triangle
+TB=sqrt(To^2+W^2);//N, =P, as tension on each side is same
+printf("Magnitude of load P= %.0f N \n",TB);
+//slope of cable at B
+theta=atan(W/To);//rad
+theta=theta*180/%pi;//degree, conversion to degree
+printf("Slope of cable at B is theta= %.1f degree\n",theta);
+//length of cable
+//applying eq. 7.10
+sB=xB*(1+2/3*(yB/xB)^2);//m
+
+printf("Total length of cable from A to B is Length= %.4f m\n",2*sB);
+
-- 
cgit