The free-body diagram of roller C is shown with the truss members assumed to be in tension. ВС AC '49° Ne
The free-body diagram of roller C is shown with the truss members assumed to be in tension. ВС AC '49° Ne
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
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
Save for Later](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0190ec61-6481-472e-8c99-d7ce68dda502%2F73dcf2a5-ee6e-4024-b1af-e60d17556be5%2Frdn9t0h_processed.png&w=3840&q=75)
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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0190ec61-6481-472e-8c99-d7ce68dda502%2F73dcf2a5-ee6e-4024-b1af-e60d17556be5%2Fua5afte_processed.png&w=3840&q=75)
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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