机械振动-2.弹簧组合
Quiz
•
Physics
•
10th - 12th Grade
•
Practice Problem
•
Hard
洪福孝Ang How
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知弹簧A的劲度系数KA=100N/m,弹簧B的劲度系数KB=200N/m. 若将弹簧A及弹簧B以上图方式组合,则弹簧组合为a联,其等效劲度系数为b:
a:串联, b=300N/m
a:串联, b=200/3 N/m
a:并联, b=300N/m
a:并联, b=200/3 N/m
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知弹簧A的劲度系数KA=100N/m,弹簧B的劲度系数KB=200N/m. 若将弹簧A及弹簧B以上图方式组合,并悬挂一重物G=20N,则弹簧组合的总伸长量为:(弹簧本身的质量不计)
0.3m
3m
0.067m
0.67m
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知弹簧A的劲度系数KA=100N/m,弹簧B的劲度系数KB=200N/m. 若将弹簧A及弹簧B以上图方式组合,并悬挂一重物G=20N,则弹簧A伸长量为:(弹簧本身的质量不计)
0.067m
0.1m
0.2m
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
将劲度系数、质量皆相同的弹簧以不同的方式组合,如上图。若悬挂上相同的重物(load),则上述的弹簧组合中有最大总伸长量的组合为:
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知弹簧甲的劲度系数k1=100N/m, 弹簧乙的劲度系数k2=400N/m, 以上图的方式组合,则弹簧甲,乙是以什么方式组合?其等效劲度系数k=?
串联, k=500N/m
并联, k=500N/m
串联, k=80N/m
并联, k=80N/m
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以两个完全相同的弹簧以不同方式组合,若要使其等效劲度系数变小,则弹簧应以什么方式组合?
串联
并联
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
将一劲度系数为k的弹簧剪切成3个相同长度的小弹簧,则每个小弹簧的劲度系数为多少?
k/3
3k
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
将一劲度系数为k的弹簧,以2:3的长度比例切成两小段A、B,则A段弹簧的劲度系数kA=?
2k/5
3k/5
5k/2
5k/3
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