六年级科学-力
Quiz
•
Science
•
1st Grade
•
Practice Problem
•
Medium
TAN M
Used 23+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果我要踩扁以上的铝罐,这涉及什么力?哪个才是施力的方向?
拉力,P方向
推力, R方向
拉力,Q方向
推力,Q方向
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项是摩擦力的好处?
使物体的表面磨损
可以使工作更费劲儿
让我们可以握紧物品
可以减轻物体移动的速度
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项有关力的说明是正确的?
力不是无形的
力可以被看见
我们可以听到力的效应
我们可以看到力的效应
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图里显示亚曼所进行的活动。亚曼的动作说明了什么?
推力使气球变形了
拉力使气球变形了
速度使气球变形了
气球变形与力无关
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图里显示赖先生在移动一个箱子。图里的绳子在承受什么力?
推力
拉力
电力
拉力和推力
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
应用以下哪种物体可以增加摩擦力?
气垫
润滑油
光滑的表面
有花纹的表面
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项图片里的活动涉及推力?
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