probiem 25 points each 1. The two vertical rods attached to the light rigid bar are identical except for length. Before the load W was attached, the bar was horizontal and the rods were stress-free. Determine the load in rod at A if W = 9900 lb. L-6ft L=4ft FA = Answer: 4 ft 4 ft 2ft
probiem 25 points each 1. The two vertical rods attached to the light rigid bar are identical except for length. Before the load W was attached, the bar was horizontal and the rods were stress-free. Determine the load in rod at A if W = 9900 lb. L-6ft L=4ft FA = Answer: 4 ft 4 ft 2ft
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![atwork # 4. SOIve for trme
Ing problem
Place your solutionS and Tinai answers on the space provide
25 points each
1. The two vertical rods attached to the light rigid bar are identical except
for length. Before the load W was attached, the bar was horizontal and
A
L = 6 ft
L= 4 ft
the rods were stress-free. Determine the load in rod at A if W = 990O Ib.
FA =
Answer:
4 ft
4 ft
2 ft
W
W= 20000 N
2. There is a gap between the aluminum bar and the rigid slab that is
supported by two copper bars. At 10°C, A = 0.18 mm. Neglecting the
mass of the slab, calculate the stress in the aluminum rod when the
temperature in the assembly is increased to 105°C. For each copper bar,
A = 500 mm?, E = 120 GPa, and a = 16.8 µm/(m.°C). For the aluminum
bar, A = 400 mm?, E = 70 GPa, and a = 23.1 um/(m-°C).
Answer:
Oal =
Aluminum
Copper
750 mm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb125eb7a-f14f-4842-8900-7c422db3bc11%2F7b97ac57-0127-48b3-8791-1e9afb4c2244%2F10i818u_processed.jpeg&w=3840&q=75)
Transcribed Image Text:atwork # 4. SOIve for trme
Ing problem
Place your solutionS and Tinai answers on the space provide
25 points each
1. The two vertical rods attached to the light rigid bar are identical except
for length. Before the load W was attached, the bar was horizontal and
A
L = 6 ft
L= 4 ft
the rods were stress-free. Determine the load in rod at A if W = 990O Ib.
FA =
Answer:
4 ft
4 ft
2 ft
W
W= 20000 N
2. There is a gap between the aluminum bar and the rigid slab that is
supported by two copper bars. At 10°C, A = 0.18 mm. Neglecting the
mass of the slab, calculate the stress in the aluminum rod when the
temperature in the assembly is increased to 105°C. For each copper bar,
A = 500 mm?, E = 120 GPa, and a = 16.8 µm/(m.°C). For the aluminum
bar, A = 400 mm?, E = 70 GPa, and a = 23.1 um/(m-°C).
Answer:
Oal =
Aluminum
Copper
750 mm
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