問題詳情
12、 A bar made of A-36 steel has the dimensions shown in Figure 12. An axial force P= 80kN isapplied to the bar, the young’s modulus for A-36 steel is E=200 GPa and the bar materialbehaves 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.
參考答案
答案：B
難度：適中0.545455
統計：A(2),B(6),C(3),D(0),E(0)