简单机械（斜面，螺旋，尖劈）
Authored by TEE Moe
Science
4th - 6th Grade
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项不是简单机械
杠杆
斜面
螺旋
磁力
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中显示工人正在将四个质量相同的重物推往高处。
从最省力到最费力,以下哪项排列是正确的?
W、X、Y、Z
W、Y、X、Z
Z、X、Y、W
Z、Y、W、X
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中显示林叔叔要将两块木板接合起来。
他应该使用以下哪种螺钉才最省力?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中显示一个转笔刀。部分R应用哪些简单机械的原理来操作?
螺旋和尖劈
斜面和齿轮
轮轴和尖劈
滑轮和螺旋
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以上的简单机械的名称是？
螺旋
杠杆
尖劈
滑轮
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以上的简单机械的名称是？
轮轴
螺旋
斜面
杠杆
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
“切割、劈开或凿(záo)开物体。”
以下哪样简单机械符合上述用途？
齿轮
尖劈
螺旋
斜面
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