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1.固力學及熱力學；2.流體力學；3.金屬材料題庫下載題庫

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12、 A bar made of A-36 steel has the dimensions shown in Figure 12. An axial force P= 80kN is applied to the bar, the young’s modulus for A-36 steel is E=200 GPa and the bar material behaves elastically, which of the following is correct? 
(A) the axial elongation is 100 μm,
(B) the axial elongation is 120 μm,
(C) change of the wide dimension is 3.67 μm,
(D) change of the height dimension is 2.56 μm.

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難度： 簡單
最佳解!
阿摩尼亞 幼兒園下 (2019/04/03)
代入應力公式σ=P/A→σ=80kN/0.1☆*0.05☆...


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12、 A bar made of A-36 steel has the dim..-阿摩線上測驗