The cross-sectional area of the bar is 5 cm². Use E = 70 GPa for aluminum, and E = 200 GPa for steel. L. Aluminum Steel Aluminum 80 kN 20 kN 30 kN - 70 kN A B |C 3 m - 4 m 5 m
The cross sectional area of the bar is 5cm^2.
Use E = 70GPa for aluminum, and E = 200 GPa for steel
What is the elongation in segment AB (Aluminum)?
a. 7.8571 x10^-3 m
b. 6.8571 x10^-3 m
c. -7.8571 x10^-3 m
d. -6.8571 x10^-3 m
What is the elongation in segment BC (Steel)?
a. -3x10^-3 m
b. 3x10^-3 m
c. 2 x10^-3 m
d. -2 x10^-3 m
What is the elongation in segment CD (Aluminum)?
a. -6.8571 x10^-3 m
b. 6.8571 x10^-3 m
c. -2.8571 x10^-3 m
d. 2.8571 x10^-3 m
What is the total elongation of the bar?
a. 5 x10^-3 m
b. 6 x10^-3 m
c. 4 x10^-3 m
d. -6 x10^-3 m
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