机械振动-2.弹簧组合

机械振动-2.弹簧组合

10th - 12th Grade

8 Qs

quiz-placeholder

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机械振动-2.弹簧组合

机械振动-2.弹簧组合

Assessment

Quiz

Physics

10th - 12th Grade

Practice Problem

Hard

Created by

洪福孝Ang How

Used 2+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

Media Image

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

Media Image

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

Media Image

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

Media Image

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

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