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Determine the resultant moment (in Cartesian vector form) of the forces about point O. Also the moment's magnitude, and direction angles. (ANS: (301-40j + 60k) lb ft, 78.1 lb ft, 67.4°, 121, 39.8°) t 3 F₁ = (-60i + 40j + 20k] lb F₁ = (50j) lb 2 ft 1 4 ft -5 ft F₁ = (80i + 40j - 30k) lb

Determine the resultant moment (in Cartesian vector form) of the forces about point O. Also the moment's magnitude, and direction angles. (ANS: (301-40j + 60k) lb ft, 78.1 lb ft, 67.4°, 121, 39.8°) t 3 F₁ = (-60i + 40j + 20k] lb F₁ = (50j) lb 2 ft 1 4 ft -5 ft F₁ = (80i + 40j - 30k) lb

International Edition---engineering Mechanics: Statics, 4th Edition
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.74P: It can be show that a plane area may he represented by a vector A=A, where A is the area and ...
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Determine the resultant moment (in Cartesian vector form) of the forces about point O. Also the moment's magnitude, and direction angles. (ANS: (301-40j + 60k) lb ft, 78.1 lb ft, 67.4°, 121, 39.8°) t 3 F₁ = (-60i + 40j + 20k] lb F₁ = (50j) lb 2 ft 1 4 ft -5 ft F₁ = (80i + 40j - 30k) lb
Transcribed Image Text:Determine the resultant moment (in Cartesian vector form) of the forces about point O. Also the moment's magnitude, and direction angles. (ANS: (301-40j + 60k) lb ft, 78.1 lb ft, 67.4°, 121, 39.8°) t 3 F₁ = (-60i + 40j + 20k] lb F₁ = (50j) lb 2 ft 1 4 ft -5 ft F₁ = (80i + 40j - 30k) lb
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