Before the 400 kN load is applied, the rigid platform rests on two steel bara, each of cross sectional area 1400mm^2, as shown in the figure. The cross sectional area of the aluminum bar is 2800 mm^2, Use E=200 GPa for steel and E = 70 GPa for aluminum. NEGLECT the weight of the platform A.) Compute the stress in the aluminum bar in Mpa after the 400 kN load is applied Choices: 45.64,16.30,40.62,14.51 B.) Compute the stress in the steel bar in Mpa
Before the 400 kN load is applied, the rigid platform rests on two steel bara, each of cross sectional area 1400mm^2, as shown in the figure. The cross sectional area of the aluminum bar is 2800 mm^2, Use E=200 GPa for steel and E = 70 GPa for aluminum. NEGLECT the weight of the platform A.) Compute the stress in the aluminum bar in Mpa after the 400 kN load is applied Choices: 45.64,16.30,40.62,14.51 B.) Compute the stress in the steel bar in Mpa
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Before the 400 kN load is applied, the rigid platform rests on two steel bara, each of cross sectional area 1400mm^2, as shown in the figure. The cross sectional area of the aluminum bar is 2800 mm^2, Use E=200 GPa for steel and E = 70 GPa for aluminum. NEGLECT the weight of the platform
A.) Compute the stress in the aluminum bar in Mpa after the 400 kN load is applied
Choices: 45.64,16.30,40.62,14.51
B.) Compute the stress in the steel bar in Mpa
Choices: 68.03,95.24,128.35,126.56
C.) Compute the shortening of the steel bar in mm.
Choices:
0.125,0.085,0.113,0.158
Transcribed Image Text:400 kN
0.1 mm
unujuny
Steel
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