TO14ABCriven: L₁ = < 125,0,0 > cmL2 = (0,85, -35 > cm13144F₁ = < 135, 145, -75) KNF₂ = 260₁-85₁, 757KN2F₁7434₁OA has length by IF4There are multiple forces applied at point C named F₁, F₁,F2, FuL₂ = < 35,0,07 cm748A.B has leugh L₂ BC has length 13F₂ = (-115, 65, -55 > KNFu= < 25, -25, -357 kNFind moment of force about o along line ŌA in unit KN-m

Given: F1→=135i+145j-75k kNF2→=60i-85j-75k kNF3→=-115i+65j-55k kNF4→=25i-25j-35k kNL1→=125i+0j+0k…

Answered: There are OA has length I A Find B…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

TO
14
A
B
Criven: L₁ = < 125,0,0 > cm
L2 = (0,85, -35 > cm
13
144
F₁ = < 135, 145, -75) KN
F₂ = 260₁-85₁, 757KN
2
F₁
743
4₁
OA has length by I
F4
There are multiple forces applied at point C named F₁, F₁,F2, Fu
L₂ = < 35,0,07 cm
748
A.B has leugh L₂ BC has length 13
F₂ = (-115, 65, -55 > KN
Fu
= < 25, -25, -357 kN
Find moment of force about o along line ŌA in unit KN-m

Expert Solution

Step 1 Write down the given data

Given:

$\vec{F_{1}} = (135 i + 145 j - 75 k) k N \vec{F_{2}} = (60 i - 85 j - 75 k) k N \vec{F_{3}} = (- 115 i + 65 j - 55 k) k N \vec{F_{4}} = (25 i - 25 j - 35 k) k N \vec{L_{1}} = (125 i + 0 j + 0 k) m \vec{L_{2}} = (0 i + 85 j - 35 k) m \vec{L_{3}} = (35 i + 0 j + 0 k) m$

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