The antenna tower is supported by three cables. The forces in these cables are as follows: FB = 520 N, FC = 680 N, and FD = 560 N. Write the resultant of these three forces as a vector.

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The antenna tower is supported by three cables. The forces in these cables are as follows: FB = 520 N, FC = 680 N, and FD = 560 N. Write the resultant of these three forces as a vector.
[A]. R = (4i +16j-72k) N
[B]. R = (-120i +40 j-960k) N
[C]. R = (560i +720j+1440k) N
[D]. R = (80i +320j-1440k) N

Answer: Option D

Explanation:

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