e line of action of the stand-alone resultant force R. The couple is positive if countercl 2350 Ib 4.9' 1070 Ib •A B. 31 Co 2.4 D E 2.4' 700 Jh

Physics for Scientists and Engineers: Foundations and Connections
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Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter13: Rotation Ii: A Conservation Approach
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Replace the three forces which act on the bent bar by a force-couple system at the support point A. Then determine the x-intercept of
the line of action of the stand-alone resultant force R. The couple is positive if counterclockwise, negative if clockwise.
y
2350 lb
4.9'
1070 Ib
•A
B.
31°
•D
E
2.4'
790 Ib
4.5'
Answers:
Force-couple system at A
R= (
i
i+
i
j) Ib
MA =
i
Ib-ft
Stand-alone resultant
X =
i
ft
Transcribed Image Text:Replace the three forces which act on the bent bar by a force-couple system at the support point A. Then determine the x-intercept of the line of action of the stand-alone resultant force R. The couple is positive if counterclockwise, negative if clockwise. y 2350 lb 4.9' 1070 Ib •A B. 31° •D E 2.4' 790 Ib 4.5' Answers: Force-couple system at A R= ( i i+ i j) Ib MA = i Ib-ft Stand-alone resultant X = i ft
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