登陆

题目详情

多选题关于功的互等定理的下述理解中,正确的有( )

A. 两组荷载必须是加在同一个结构上的

B. 两组荷载必须同时加在结构上

C. 两组荷载同时作用在结构上时,结构仍然是线弹性的

D. 两组荷载必须是同一种量纲(或单位)的

E. 功的互等定理与两组荷载的加载次序无关

F. 功的互等定理与两组荷载的作用位置无关

材料力学课程封面

学科：材料力学

时间：2025-10-12 12:41:02

相关题目
相关作业

外力功与外力的终值和加载次序有关

用卡氏定理求刚架某点的位移时,若该处没有与位移相应的荷载,则可在该处添加一与所求位移对应的广义力P.在( )后,即可令P=0,然后计算出所求位移

A. 求支反力B. 列出弯矩方程M(x)C. 求偏导数<img src="data:image/png;base64,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">D. 积分求出位移

关于功的互等定理的下述理解中,正确的有( )

A. 两组荷载必须是加在同一个结构上的B. 两组荷载必须同时加在结构上C. 两组荷载同时作用在结构上时,结构仍然是线弹性的D. 两组荷载必须是同一种量纲(或单位)的E. 功的互等定理与两组荷载的加载次序无关F. 功的互等定理与两组荷载的作用位置无关

如图所示悬臂梁,当单独作用力F时,截面B的转角为θ,若先加力偶M,后加F,则在加F的过程中,力偶M( ).<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/f3b289fa8099426d9695affbabd8a067.png">

A. 不做功B. 做正功C. 做负功,其值为<img src="data:image/png;base64,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">D. 做负功,其值为<img src="data:image/png;base64,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">

同一简支梁在图示两种不同单位载荷作用下产生变形,指出下列关系中正确的是( ) .<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/51bc7307ac3549f18106ac3909e4e822.png">

A. <img src="data:image/png;base64,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">B. <img src="data:image/png;base64,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">C. <img src="data:image/png;base64,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">D. <img src="data:image/png;base64,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">

一圆轴在图所示两种受扭情况下,其( ).<img src="data:image/png;base64,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">

A. 应变能相同,自由端扭转角不同B. 应变能不同,自由端扭转角相同C. 应变能和自由端扭转角均相同D. 应变能和自由端扭转角均不同

在下列关于应变能表述中,正确的有( )

A. 对构件加上两个荷载,在弹性范围内,先加第一个后加第二个,与先加第二个后加第一个,最后的应变能是相等的B. 对于加载过程,应变能是正的,对于卸载过程,应变能是负的C. 对于某个圆轴,轴向拉伸力单独作用产生的应变能为 2 焦耳,转矩单独作用产生的应变能为 3 焦耳,两者共同作用所产生的应变能则为 5 焦耳D. 对于某个圆轴,轴向拉力F1单独作用产生的应变能为 2 焦耳,轴向拉力F2单独作用产生的应变能为 3 焦耳,两者共同作用所产生的应变能则为 5 焦耳E. 应变能不可能大于外力的功F. 应变能恒等于外力的功

图示杆件的拉压刚度为EA,其应变能的下列表达式中正确的是( ).<img src="data:image/png;base64,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">

A. <img src="https://image.zhihuishu.com/zhs_yufa_150820/doctrans/docx2html/202108/087e4a3ead814702906bdc66f48717af.png">B. <img src="https://image.zhihuishu.com/zhs_yufa_150820/doctrans/docx2html/202108/06220146b81440549f7bd1f515cfb668.png">C. <img src="https://image.zhihuishu.com/zhs_yufa_150820/doctrans/docx2html/202108/20d9373661ff4d20a0858ba588a56aa4.png">D. <img src="https://image.zhihuishu.com/zhs_yufa_150820/doctrans/docx2html/202108/b2da7e9d308d40cd84cbacae7fffe617.png">

悬臂梁如图所示.加载次序有下述三种方式:第一种为F、Me同时按比例施加;第二种为先加F、后加Me;第三种为先加Me、后加F;在线弹性范围内它们的应变能为( ).<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/64e20d7079de41ea8ae154372d727057.png">

A. 第一种大B. 第二种大C. 第三种大D. 一样大

如图所示结构,在应用单位荷载法求位移时,欲求图(c)中AE两点的相对线位移,则在A、E两点加一对反向并沿AE连线的单位力.<img src="data:image/png;base64,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">

下载题海APP

拍照搜题更快捷

海量题库
无搜索限制
快捷拍照搜题

扫描他！然后带走我～