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南一五下Ch4力與運動-2摩擦力

Authored by Alien Chiu

Physics

5th Grade

Used 14+ times

南一五下Ch4力與運動-2摩擦力
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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

在地面推動大龍球,手只要停止推動,一段時間後球就會停止。

O
X

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

通常摩擦力大,會比較省力;摩擦力小,會比較費力。

O
X

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

買原子筆時要選擇握筆處有紋路的,這樣手比較容易握住筆身,比較好寫字,這屬於減少摩擦力的應用。

O
X

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

摩擦力與接觸面的材質有關,也與物體的重量有關係。

O

X

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

爸爸想要推動電視置物櫃,請我們先將抽屜裡面的物品全部取出,這樣可以減少摩擦力。

O
X

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

下列哪些是減少摩擦力的運用?

在齒輪上加潤滑油

滑板下有輪子

表面光滑的滑梯

籃球表面有顆粒

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

下列哪些是減少摩擦力的應用?

直排輪鞋有輪子

煞車塊上的紋路

樓梯的防滑條

在齒輪間上潤滑油

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