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Diffstat (limited to '3845/CH4/EX4.8/Ex4_8.sce')
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1 files changed, 14 insertions, 0 deletions
diff --git a/3845/CH4/EX4.8/Ex4_8.sce b/3845/CH4/EX4.8/Ex4_8.sce new file mode 100644 index 000000000..5fd91c1ff --- /dev/null +++ b/3845/CH4/EX4.8/Ex4_8.sce @@ -0,0 +1,14 @@ +//Example 4.8
+m=15;//Mass of traffic light (kg)
+g=9.8;//Acceleration due to gravity (m/s^2)
+w=m*g;//Weight of traffic light (N)
+theta1=30;//Angle for wire 1 (deg)
+theta2=45;//Angle for wire 2 (deg)
+T1=w/(sind(theta1)+[cosd(theta1)/cosd(theta2)]*sind(45));//Tension in wire 1 (N), Substitute Equation 4.69 in Equation 4.73
+//See textbook for derivation
+printf('Tension in wire 1 = %0.1f N',T1)
+T2=[cosd(theta1)/cosd(theta2)]*T1;//Tension in wire 2 (N), See Equation 4.69
+printf('\nTension in wire 2 = %0.1f N',T2)
+//Answer varies due to round off error
+//Openstax - College Physics
+//Download for free at http://cnx.org/content/col11406/latest
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