An aluminum bar AD has a cross sectional area of .40in^2 and is loaded by forces P_1=1700lb, P_2=1200 lb, andP_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?APROB. 2.3-3ÇaBShow Transcribed TextP₁CP₂←P3DQuestion: By what amount P should the load P_3 be increased so that the bar doesn't change in length when the threeloads are applied.

This can be done using difference of forces

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.