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The resultant of the three forces acting on the bracket is FR={−FR={− 390 k} lb. Note that F3 lies in the x-y plane. (Figure 1) Part A Specify the magnitude of F1. Express your answer to three significant figures and include the appropriate units.

The resultant of the three forces acting on the bracket is FR={−FR={− 390 k} lb. Note that F3 lies in the x-y plane. (Figure 1) Part A Specify the magnitude of F1. Express your answer to three significant figures and include the appropriate units.

Structural Analysis
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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The resultant of the three forces acting on the bracket is FR={−FR={− 390 k} lb. Note that F3 lies in the x-y plane. (Figure 1)

Part A

Specify the magnitude of F1.
Express your answer to three significant figures and include the appropriate units.
 

Part B

Specify the coordinate direction angle α1 of F1.
Express your answer using three significant figures.
 

Part C

Specify the coordinate direction angle β1 of F1.
Express your answer using three significant figures.
 

Part D

Specify the coordinate direction angle γ1 of F1.
Express your answer using three significant figures.
 
Figure 1 of 1 F3 = 400 lb Y1 30° - y F2 = 200 lb BI F1
Transcribed Image Text:Figure 1 of 1 F3 = 400 lb Y1 30° - y F2 = 200 lb BI F1
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