

MCQOPTIONS
Saved Bookmarks
1. |
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» E. | |