Determine the tension in each side of the cable
A 20 kg traffic light hangs midway on a cable between two poles 40 meters apart. If the sag in the in the cable is 0.40 meters, what is the tension in each side of the cable?
a. 12000N
b. 9800 N
c. 4900 N
d. 980 N
e. 4500 n
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