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力學(xué)問(wèn)題求助 |
點(diǎn)評(píng)
理論力學(xué)扔狗肚子去了
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點(diǎn)評(píng)
就算你分析下面的支撐,,那叫扭矩么?扭矩是什么,?扭矩是截面上的切應(yīng)力對(duì)形心矩的積分,,就你這種受理情況,能產(chǎn)生切應(yīng)力么,?彎矩是什么,,彎矩是中性軸兩側(cè)拉壓應(yīng)力對(duì)中性軸矩的積分,看概念你起碼看看推導(dǎo)過(guò)程啊
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