An aluminum bar AD has a cross sectional area of .40in^2 and is loaded by forces P_1=1700lb, P_2=1200 lb, and P_3=1300lb. The length of the segments of the bar are a=60in, b=24in, and c=36in. length when all three loads are applied? PROB. 2.3-3 B Show Transcribed Text Ć P₁ C P₂ P3 Question: By what amount P should the load P_3 be increased so that the bar doesn't change in length when the three loads are applied.
An aluminum bar AD has a cross sectional area of .40in^2 and is loaded by forces P_1=1700lb, P_2=1200 lb, and P_3=1300lb. The length of the segments of the bar are a=60in, b=24in, and c=36in. length when all three loads are applied? PROB. 2.3-3 B Show Transcribed Text Ć P₁ C P₂ P3 Question: By what amount P should the load P_3 be increased so that the bar doesn't change in length when the three loads are applied.
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Transcribed Image Text:An aluminum bar AD has a cross sectional area of .40in^2 and is loaded by forces P_1=1700lb, P_2=1200 lb, and
P_3=1300lb. The length of the segments of the bar are a=60in, b=24in, and c=36in.
length when all three loads are applied?
A
PROB. 2.3-3
Ç
a
B
Show Transcribed Text
P₁
C
P₂
←P3
D
Question: By what amount P should the load P_3 be increased so that the bar doesn't change in length when the three
loads are applied.
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