重力是如何产生的

range mbotL7

Quiz
•
Computers
•
1st Grade
•
Easy

luohua lu
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
地球对物体的吸引
太阳对物体对的吸引
月亮对物体的吸引
物体对物体的吸引
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
月球上有重力吗
有
没有
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
质量均匀分布的物体,重心位置和什么有关
物体的质量
物体的大小
物体的形状
物体的颜色
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
我们可以通过什么方法确定一个不规则物体的重心
悬挂法
通过猜
放在手上感觉
放置法
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
质量分布不均匀的物体,重心位置除了和形状有关,还和什么有关
大小
重量
高度
质量分布
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
机器人的电源相当于人类的
大脑
心脏
手臂
腿
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
摩擦力分为几种
1
2
3
4
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