Question 11 Find the unit vector of the line from point B to A. F,- (-351 +75) +10Sk F,- (651 + 40j - 30k) Ib

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter2: Basic Operations With Force Systems
Section: Chapter Questions
Problem 2.56P: The trap door is held open by the rope AB. If the tension in the rope is T = 60 lb, determine its...
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Question 11
8 ft
Find the unit vector of the line from point
B to A.
F, - (-35i +75j +105k}
6 ft
3 ft
F, - (651 + 40j - 30k) Ib
Question 12
Set up the necessary cross product to find the moment that F: produces at point C.
Transcribed Image Text:Question 11 8 ft Find the unit vector of the line from point B to A. F, - (-35i +75j +105k} 6 ft 3 ft F, - (651 + 40j - 30k) Ib Question 12 Set up the necessary cross product to find the moment that F: produces at point C.
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