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Authored by ANG Moe

Science

1st - 6th Grade

Used 77+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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。

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

力无法改变正在移动的物体的速度。

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。

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。

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