
【测验】运动和力
Authored by Lim Chin Kun
Physics
7th - 9th Grade
Used 4+ times

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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( )
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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