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? asked in 科學及數學數學 · 1 decade ago

stress and strain

for a tensile test on a specimen,having a diameter of 7.20mm and a gauge length of 55mm,the following results were recorded:

FORCE: (kn) --------------- EXTENSION X10 負3次方 (m)

2.0 ---------------------------------- 0.012

5.0 ------------------------------------ 0.03

10 ----------------------------------- 0.059

15 ------------------------------------- 0.0905

20 ------------------------------------ 0.1215

25 ----------------------------------------0.15

plot the stress/strain graph and calculate the modulus of elasticity for the material

(順便列明步驟點計,同d單位應該點轉換thx~~~~~)

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