: Consider the truss shown in the figure below, and answer the following questions. Figure is not to scale. P R K L' H 5 m A в с D E F |- 2 m ---2 m -4- 2 m ---- 2 m-- 2 m-f- 2 m -
: Consider the truss shown in the figure below, and answer the following questions. Figure is not to scale. P R K L' H 5 m A в с D E F |- 2 m ---2 m -4- 2 m ---- 2 m-- 2 m-f- 2 m -
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question

Transcribed Image Text:c)
Consider the situation where P = 4 kN, and Q and R are both non-zero forces acting in the direction shown in the
figure.
The forces in the members connected to the support at A are indicated in the table below. Calculate the forces in
members LK, LC and BC. For all the indicated truss members, state if the members are in tension, compression, or if
they are zero-force members.
The nature of the members are negatively marked; points will be deducted for every incorrectly selected option.
Member
Force
Nature of force
AL
17.29 kN
АВ
10.8 kN
LK
kN
LC
kN
ВС
kN

Transcribed Image Text:: Consider the truss shown in the figure below, and answer the following questions.
Figure is not to scale.
P
P
R
K
5 m
B C D E F
- 2 m --2 m - 2 m - 2 m- 2 m-- 2 m -
a)
If P and R are non-zero forces and Q = 0 kN, indicate all the zero-force members in the truss.
O LB
O LC
O KC
O KD
O JD
O ID
O IE
О НЕ
О НЕ
O None
b)
Following from the situation described in Part (a), how many additional zero-force members will there be in the truss in
the following situation?
If the force R acting at node H is removed.
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