大学MOOC Mechanics of Materials （《材料力学》全英文）(常州大学)1454243162 最新慕课完整章节测试答案
Chapter 1 Stress
The small quiz for Chapter 1
1、填空题：
There are types of the external loads we investigated, which includes , and .
答案: 【 3, surface loads, body force, support reactions】
2、填空题：
In order to determine the resultant internal lodings with the method of sections, we need to relate the external forces to the distribution's resultant force and moment at a specific point. In general this point is located at .
答案: 【 the centroid of the cross section】
3、填空题：
For 3D case, we have
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