For the frame and loading shown, determine the components of all forces acting on member ABD. Given that P₁ = 420lb, P2 = 300lb. ● A 6 in. B -9 in.-9 in.- 9 in. C 12 in. 12 in.

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter6: Beams And Cables
Section: Chapter Questions
Problem 6.64P: The two main cables of the Akashi Kaikyo suspension bridge in Japan have a span L=1990m and a sag...
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1. Free body: Entire frame
o In total, there are
Ο
Ο
Ο
Σ F, = 0 : Ay
•
ΣΜΑ = 0 : Ex
Σ Fx = 0 : Ax
X
Ο
2. Free body: member CDE:
Σ Mc = 0 : D.
=
3. Free body: member ABD:
o From above, Dx =
o Σ
=
• ΣΕ = 0 : B =
: Bx
Ο
=
=
ΣΜΒ
Mg = 0 : D,
:
=
=
Σ F, = 0 : B, =
y
forces/reactions acting on the frame;
lb;
lb;
lb;
lb pointing to the
lb;
lb;
pointing the
lb;
♦
→
Transcribed Image Text:1. Free body: Entire frame o In total, there are Ο Ο Ο Σ F, = 0 : Ay • ΣΜΑ = 0 : Ex Σ Fx = 0 : Ax X Ο 2. Free body: member CDE: Σ Mc = 0 : D. = 3. Free body: member ABD: o From above, Dx = o Σ = • ΣΕ = 0 : B = : Bx Ο = = ΣΜΒ Mg = 0 : D, : = = Σ F, = 0 : B, = y forces/reactions acting on the frame; lb; lb; lb; lb pointing to the lb; lb; pointing the lb; ♦ →
For
the frame and loading shown, determine the components of all forces acting on member ABD. Given that P₁ = 420lb,
P2 = 300lb.
6 in.
-9 in.9 in.9 in.-
P₁
D
E
12 in.
12 in.
Transcribed Image Text:For the frame and loading shown, determine the components of all forces acting on member ABD. Given that P₁ = 420lb, P2 = 300lb. 6 in. -9 in.9 in.9 in.- P₁ D E 12 in. 12 in.
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