Question: Four cylindrical rods with various cross-sectional areas and initial lengths are stretched by an applied force, as in Figure 17-11. The resulting change in length

Four cylindrical rods with various cross-sectional areas and initial lengths are stretched by an applied force, as in Figure 17-11. The resulting change in length of each rod is given in the following table. Rank these rods in order of increasing Young's modulus. Indicate ties where appropriate.

Cross- Sectional Area Change In Applled Force Intlal Length Rod Length AL 2L AL 2A 3 2AL 2F A 4 3F ΔL AL L/2

Figure 17-11,

Cross- Sectional Area Change In Applled Force Intlal Length Rod Length AL 2L AL 2A 3 2AL 2F A 4 3F L AL L/2 -Le -AL- -F

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