张氏图腾图片:英语计算题
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A specimen of some metal having a rectangular cross section 10.8 mm x 12.5 mm is pulled in tension with a force of 34,300 N, which produces only elastic deformation. Given that the elastic modulus of this metal is 79 GPa, calculate the resulting strain.
a.0.0322
b.0.00322
c.0.0471
d.0.00471
a.0.0322
b.0.00322
c.0.0471
d.0.00471
某金属样本矩形横截面是10.8 mm x 12.5 mm,在34,300 N 的
拉力时,恰巧发生弹性形变,问如果该金属的弹性模数是
79GPa, 计算其合成张力?
大学学过的,大概是这样,忘了怎么算亚!
强!