大学MOOC Engineering Mechanics(Xidian University)1462094179 最新慕课完整章节测试答案
01. Principles of Statics and the Free-Body Diagrams
文章目录
- 01. Principles of Statics and the Free-Body Diagrams
- 02. Basic Operations with Force Systems
- 03. Reductions and Resultants of Force System
- 04. Equilibrium of Coplanar Force System
- 05. Axial tension and compression
- 06. Torsion
- 07. Bending forces
- 08. Stress in Bending
- 09. Deformations of beams due to bending
- 10. Analysis of Stress and Strength Theory
- 11. Combined Loadings and Deformations
- 12. Stability of Compressed Columns
Test of Chapter 1
1、单选题：
The constraint at Point C is
选项：
A: Pin support
B: Roller support
C: Built-in support
D: Lever
答案: 【 Pin support】
2、判断题：
“axiom of two forces in equilibrium” can be applied to deformable body.
选项：
A: 正确
B: 错误
答案: 【 错误】
3、判断题：
The constraint at point B is a Pin support.
选项：
A: 正确
B: 错误
答案: 【 正确】
4、填空题：
Which bar is a “two-force body” ?
答案: 【 Bars AB and BC##%_YZPRLFH_%##AB and BC##%_YZPRLFH_%##Bar AB and Bar BC##%_YZPRLFH_%##Bar AB, Bar BC##%_YZPRLFH_%##Bars BC and AB##%_YZPRLFH_%##BC and AB##%_YZPRLFH_%##Bar BC and Bar AB##%_YZPRLFH_%##Bar BC, Bar AB##%_YZPRLFH_%##AB, BC##%_YZPRLFH_%##AB BC##%_YZPRLFH_%##BC AB##%_YZPRLFH_%##BC, AB】
02. Basic Operations with Force Systems
Test of Chapter 2
1、单选题：
Consider the coplanar force system shown in the following figure, F1=200N, F2=300N, F3=100N, and F4=250N. The magnitude of the resultant of the four forces is
选项：
A: 171.3 N
B: 71.3 N
C: 100 N
D: 173.2 N
答案: 【 171.3 N】
2、单选题：
选项：
A: 
B: 
C: 
D: 
答案: 【 】
3、单选题：
选项：
A: 
B: 
C: 
D: 
答案: 【 】
4、填空题：
答案: 【 78.93##%_YZPRLFH_%##79##%_YZPRLFH_%##78.9】
03. Reductions and Resultants of Force System
Test of Chapter 3
1、判断题：
The Principal Moment is related to moment center point O
选项：
A: 正确
B: 错误
答案: 【 正确】
2、判断题：
A force at a given point can always be replaced by a force at a different point and a couple-vector that is parallel to the force.
选项：
A: 正确
B: 错误
答案: 【 错误】
3、判断题：
The resultant force and the principal vector are the same
选项：
A: 正确
B: 错误
答案: 【 错误】
04. Equilibrium of Coplanar Force System
Tset of Chapter 4
1、单选题：
选项：
A: 
B: 
C: 
D: 
答案: 【 】
2、单选题：
选项：
A: 
B: 
C: 
D: 
答案: 【 】
3、填空题：
答案: 【 17.5】
05. Axial tension and compression
Test of Chapter 5
1、单选题：
Low carbon steel will occur in the yield stage ( )
选项：
A: Elasticity
B: Linear elasticity
C: Plasticity
D: Elasticity and plasticity
答案: 【 Elasticity and plasticity】
2、单选题：
The plane assumption in axial tension and compression is applicable to ( ).
选项：
A: Everywhere along the length of the rod
B: Everywhere except the two ends of the rod
C: Everywhere a bit far from the afterburner end of the rod
D: Everywhere along the width