Question # 2: Determine the force in each of the three cables needed to lift the machine that has a weight of 10 KN. 10 kN 3 m 1 m B 1.25 m 2 m 1.25 m

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 1.31P: Resolve the 360-lb force into components along the cables AB and AC. Use =60 and =40.
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Question 2 caleulate unit uecter from A to B
= [125-0); +(2 -09) +0-3) E
25) *+ (2)* +(3) ►
UnB = 1 259 + 2 -31E
14.5625
Calulate unit vector from A to C
Úne =(-l1:35-0); + (2-0); +(0 - 3)E
%3D
Une = -1:259+29-31€
14.5625
Caleulate unit uector_from
10-0)? +l-1-0) +10-3) E.
UAD =
-4-3E
10
Rupresent force
101ê IKN
10 KN in ueetorform
Applye quilibrium condition
ŽE =0
P+ fhe t Fac +FAD =0
4. 5625
FAB-1-25
(14.5625
V10
/1-25
A
12
FAB + 2
FAC
14-S625
14.5625
-3
Fie -3 FAD
14.5625
co - efficients
19.5625
Equeting
1-25 FAB
14. S625
FAB - FAL =
- 1-25
Fae =0
FAD =0
FAB +
Vi14.5625
2
Vi4. 5625
Transcribed Image Text:Question 2 caleulate unit uecter from A to B = [125-0); +(2 -09) +0-3) E 25) *+ (2)* +(3) ► UnB = 1 259 + 2 -31E 14.5625 Calulate unit vector from A to C Úne =(-l1:35-0); + (2-0); +(0 - 3)E %3D Une = -1:259+29-31€ 14.5625 Caleulate unit uector_from 10-0)? +l-1-0) +10-3) E. UAD = -4-3E 10 Rupresent force 101ê IKN 10 KN in ueetorform Applye quilibrium condition ŽE =0 P+ fhe t Fac +FAD =0 4. 5625 FAB-1-25 (14.5625 V10 /1-25 A 12 FAB + 2 FAC 14-S625 14.5625 -3 Fie -3 FAD 14.5625 co - efficients 19.5625 Equeting 1-25 FAB 14. S625 FAB - FAL = - 1-25 Fae =0 FAD =0 FAB + Vi14.5625 2 Vi4. 5625
Question # 2: Determine the force in each of the three cables needed to lift the machine
that has a weight of 10 KN.
10 kN
3 m
1 m
1.25 m
2 m
1.25 m
Transcribed Image Text:Question # 2: Determine the force in each of the three cables needed to lift the machine that has a weight of 10 KN. 10 kN 3 m 1 m 1.25 m 2 m 1.25 m
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