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力、粒子理論

Authored by Woody Wan

Science

8th Grade

Used 6+ times

力、粒子理論
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30 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

彈簧測力計只能用來量度拉力

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

所有非接觸力都是拉力

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

質量的單位是kg

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

一輛貨車與一輛私家車碰撞時,作用在兩輛汽車上的力是相等的

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

如果物體沒有受到外力,則它一定靜止

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

以下哪個物體沒有受到不平衡力的作用

正在刹掣的汽車

正在加速的火車

以固定速率移動的升降機

時鐘上不斷轉動的秒針

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

磁力和重力都是 (1) 非接觸力 (2) 能使物體改變移動方向 (3) 以牛頓作為單位

只有(1)和(2)

只有(1)和(3)

只有(2)和(3)

(1)、(2)和(3)

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