图示工字钢简支梁,弹性模量E=200GPa。若在力偶矩作用下测得 横截面A处梁顶面的纵向应变,则梁内最大弯曲正应力=/ananas/latex/p/20618/ananas/latex/p/1589156/ananas/latex/p/479292https://p.ananas.chaoxing.com/star3/origin/990ccef3c71765b6e90f99853f513a74.png
举一反三
- 如图所示工字钢简支梁，弹性模量E=200GPa 。若在力偶矩作用下测得横截面A处梁顶面的纵向应变，则梁内最大弯曲正应力 为_____。/ananas/latex/p/20618/ananas/latex/p/849793https://p.ananas.chaoxing.com/star3/origin/09a1e153a05f009920623c3641510b62.png
- 图示工字钢简支梁,弹性模量E =200GPa,在力偶M作用下测得横截面B顶面的纵向应变 e = 0.0003。则梁内最大弯曲正应力是。https://p.ananas.chaoxing.com/star3/origin/577fd214d83a42041d2d8ee75187f243.png
- 下图中，电压V，V,V,V,V。/ananas/latex/p/221724https://mooc1.chaoxing.com/ananas/latex/p/530112https://mooc1.chaoxing.com/ananas/latex/p/520519https://mooc1.chaoxing.com/ananas/latex/p/1142097https://mooc1.chaoxing.com/ananas/latex/p/1142085https://p.ananas.chaoxing.com/star3/origin/e6966ea20ac0a61450b9979c6123d0eb.png
- 已知()=0.4，则()=( )/ananas/latex/p/152/ananas/latex/p/278/ananas/latex/p/847/ananas/latex/p/281/ananas/latex/p/152/ananas/latex/p/4781/ananas/latex/p/7419/ananas/latex/p/6547
- 若a=3∠，b=6∠，则ab=________，ab=_______（用复数的极坐标表达式）/ananas/latex/p/68789/ananas/latex/p/1898/ananas/latex/p/142/ananas/latex/p/4106