A 76 Netwon traffic light is supported at the midpoint of a 27 meter length of...
A 76 Netwon traffic light is supported at the midpoint of a 27 meter length of cable between two poles. Find the tension in each cable segment if the cable sags a vertical distance of 1 m.
Tension = [Num]Newtons
Homework Answers
h = 1 m
L = 27 m
l = L/2 = 27/2 = 13.5 m
2 T sin(theta) = 76 N
2 * T * 1 / 13.5 = 76
T = 76 * 13.5 /2 = 513 N
=======================================
Tension = 513 Newtons
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A 76 Netwon traffic light is supported at the midpoint of a 27
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