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【测验】运动和力

Authored by Lim Chin Kun

Physics

7th - 9th Grade

Used 4+ times

【测验】运动和力
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10 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

【多选题】力可以改变物体的(  )

形状

运动速度

运动方向

质量

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

力的符号为(  )

NN

kgkg

FF

WW

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

力的大小,可以使用(  )来测量

(a)  

4.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

物体发生形变时,要恢复原状的力,叫做(  )

(a)  

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

物体发生形变时,不能超过一定的限度,否则将无法恢复原状,这个限度称为(  )

(a)  

6.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

在弹性限度内,弹簧的伸长量与拉力成正比,这个规律称为(  )

(a)  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

在弹性限度内,当弹簧受到不同大小的拉力时,弹簧的劲度系数(  )。

保持不变

随拉力减少而增加

随拉力增加而减少

随拉力增加而增加

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