力是看不见的,但是我们可以感受力的存在及观察力的效应.
力
Quiz
•
Science
•
1st - 6th Grade
•
Medium
ANG Moe
Used 76+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
对
错
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图的学生在拔河。
两个队伍应用了哪种力？
推力
拉力
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
哪些活动用到推力？
开抽屉
挤牙膏
开车门
搓面团
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
拉力和推力可以被感觉到，但是无法被看到。
对
错
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
力无法改变正在移动的物体的速度。
对
错
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
往乒乓球滚动的相反方向吹气的话，可以使乒乓球的滚动速度减缓下来。
对
错
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
当物体两边的拉力相等时，物体就会平衡且不会倒塌。
对
错
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