上图显示两种有关力的活动,K和L。哪项的两种活动所用的力分别与K和L活动相同?

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Quiz
•
Science
•
1st Grade - Professional Development
•
Medium
CHIN Moe
Used 2+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
X:拉橡皮筋
Y:按门铃
X:打鼓
Y:踢球
X:挤牙膏
Y:拔草
X:推行李箱
Y:抹桌子
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项活动只涉及拉力?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示利用Q工具的方法。哪项有关用力的方式是正确的?
X:拉力
Y:推力
X:推力
Y:拉力
X:拉力
Y:推力和拉力
X:推力
Y:推力和拉力
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一个箭手用相同长度的箭射靶后的情况。哪项条形统计图显示用力的大小是正确的?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一个玻璃杯掉落在地面的情况。以上的情况和力的哪种效应有关?
改变物体的形状
让物体停止移动
改变物体移动的方向
改变物体移动的速度
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一个向右移动的皮球。在哪一个方向对皮球施力,将会增加皮球移动的速度?
W
X
Y
Z
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项有关力的说明是正确的?
肉眼可以看见力的存在
力不能改变物体的形状
力无法影响物体移动的速度
通过力的效应可感觉力的存在
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