o In total, there are Σ F, = 0. : A, = Σ ΜΑ = 0 : Ex = ΣFx = 0: Ax= 2. Free body: member CDE: Mc = 0: Dx = O O O forces/reac lb; lb; lb; lb pc
o In total, there are Σ F, = 0. : A, = Σ ΜΑ = 0 : Ex = ΣFx = 0: Ax= 2. Free body: member CDE: Mc = 0: Dx = O O O forces/reac lb; lb; lb; lb pc
Chapter6: Deflections Of Beams: Geometric Methods
Section: Chapter Questions
Problem 2P
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Question
Statics Homework #7
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Transcribed Image Text:Solution:
1. Free body: Entire frame
o In total, there are
- Σ F, = 0. : A, =
Σ ΜΑ = 0 : Ex =
ΣFx = 0: Ax=
2. Free body: member CDE:
Mc = 0: Dx =
3. Free body: member ABD:
o From above, Dx =
O
O
O
O
O
ΣFx = 0: Bx =
Σ MB = 0 : D, =
Σ F, = 0 : By =
forces/reactions acting on the frame;
lb;
lb;
lb;
lb pointing to the
lb pointing to the
lb;
lb;
lb;
⇒
(
;
;

Transcribed Image Text:510lb,
For the frame and loading shown, determine the components of all forces acting on member ABD. Given that P₁ =
P₂ = 390lb.
6 in.
Solution:
O
9 in.-
O
-9 in.-9 in.
P₁
1. Free body: Entire frame
o In total, there are
C
O
• ΣΜ. = 0 : Ex
ΣFx = 0: Ax=
Σ F, = 0 : A) =
D
=
2. Free body: member CDE:
Mc = 0: Dx =
3. Free body: member ABD:
P₂
12 in.
12 in.
forces/reactions acting on the frame;
lb;
lb;
lb;
lb pointing to the
♦
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