The free-body diagram of roller C is shown with the truss members assumed to be in tension. ВС AC '49° Ne

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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please help to find BC

The free-body diagram of roller Cis shown with the
truss members assumed to be in tension.
ВС
AC
'49°
Nc
Find the force in BC.
Answer: BC =
i
Ib
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Transcribed Image Text:The free-body diagram of roller Cis shown with the truss members assumed to be in tension. ВС AC '49° Nc Find the force in BC. Answer: BC = i Ib Save for Later
Determine the force in each member of the loaded truss. Discuss the effects of varying the angle of the 49° support surface at C. The
forces are positive if in tension, negative if in compression.
8.8'
B
3.6'
145 Ib
49°
Part 1
Correct
Find the angle a.
8.8'
B
a
3.6'
145 lb
49
Answer: a =
22.24
Attempts: 1 of 3 used
Using multiple attempts will impact your score.
10% score reduction after attempt 2
Part 2
Correct
The free-body diagram of joint A is drawn with the members assumed to be in tension.
AB
AC
145 Ib
Find the forces in AB and AC.
Answers:
AB =
354.45
Ib
Transcribed Image Text:Determine the force in each member of the loaded truss. Discuss the effects of varying the angle of the 49° support surface at C. The forces are positive if in tension, negative if in compression. 8.8' B 3.6' 145 Ib 49° Part 1 Correct Find the angle a. 8.8' B a 3.6' 145 lb 49 Answer: a = 22.24 Attempts: 1 of 3 used Using multiple attempts will impact your score. 10% score reduction after attempt 2 Part 2 Correct The free-body diagram of joint A is drawn with the members assumed to be in tension. AB AC 145 Ib Find the forces in AB and AC. Answers: AB = 354.45 Ib
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