MOOC Engineering Mechanics(河南理工大学)1450176251 最新慕课完整章节测试答案
01 Reductions of force systems
Tests for week 1
1、单选题：
As shown in the parallelogram, all forces are at point A. In which figure FR can be considered as the resultant of F1 and F2?
选项：
A: 
B: 
C: 
D: 
答案: 【 】
2、单选题：
Neglect the weights of all members. In which case bar BD is not a two-force member?
选项：
A: 
B: 
C: 
D: 
答案: 【 】
3、单选题：
To study the whole system, which free-body diagram is correct?
选项：
A: 
B: 
C: 
D: 
答案: 【 】
4、单选题：
To study the whole system, which free-body diagram is correct?
选项：
A: 
B: 
C: 
D: 
答案: 【 】
5、单选题：
To study the whole system, which free-body diagram is correct?
选项：
A: 
B: 
C: 
D: 
答案: 【 】
6、单选题：
For bar AD, which free-body diagram
is correct?
选项：
A: 
B: 
C: 
D: 
答案: 【 】
7、多选题：
In this equilibrium mechanism, the free-body diagram of crank OA can be drawn as
选项：
A: 
B: 
C: 
D: 
答案: 【 ;;】
8、判断题：
The resultant force of two intersecting forces 
and 
is 
, i.e., 
. The magnitude of must be larger than those of