5. The 1800-N force F is applied to the end of the I-beam. Express Fas a vector using the unit vectors I and j. AU F = 1800 N 1/17
5. The 1800-N force F is applied to the end of the I-beam. Express Fas a vector using the unit vectors I and j. AU F = 1800 N 1/17
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:< Title
A (-7,-2)
y, 44
1
5. The 1800-N force F is applied to the end of the I-beam. Express Fas a vector using the unit
vectors I and j.
F₁ = 3 kips
30°
AL
45°
B (8,6)
F = 3000 lb
--x, ft
6. The two structural members, one of which is in tension and the other in compression, exert the
indicated forces on joint O. Determine the magnitude of the resultant R of the two forces and the
angle which R makes with the positive x-axis
3 kN
A
F = 1800 N
7. The two forces shown act at point A of the bent bar. Determine the resultant R of the two
forces
30°
Q :
,2 kN
F₂= 7 kips
8. The guy cables AB and AC are attached to the top of the transmission tower. The tension in
cable AB is 8 kN. Determine the required tension Tin cable AC such that the net effect of the
1/17
2/17
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