
20220619衝刺班
Authored by 曾 老師
Science
6th Grade
Used 7+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列哪一個物體可以浮在水面上?
密度0.6g/cm 的木塊
密度2.0g/cm 的石塊
密度11.3g/cm 的鉛塊
密度8.9g/cm 的銅塊
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
甲、乙、丙三個燒杯,分別裝不同密度的液體,將同一木塊分別置於其中,結果如附圖,則木塊在各杯內所受浮力大小關係為何?
甲>乙>丙
甲=乙=丙
甲<乙<丙
無法比較
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
兩艘一模一樣的船,甲為空船,乙載滿了乘客,兩船皆浮在水上,則所受的浮力以何者較小?
甲
乙
一樣大
資料不足,無法判斷
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列哪一個物體所受的浮力小於物體本身的重量?
靜止在水面的船
沉入水中的寶藏盒
正加速上升的天燈
靜止在地面的氣球
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
為了行車安全,腳踏車的哪一個部分不能上潤滑油?
齒輪間
煞車線
煞車塊
腳踏板與齒輪間的轉動處
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
有一物體重量為13kgw,靜置於水平桌面。若物體兩側分別施以 在同一直線上水平作用力20kgw和12kgw,請問這兩個水平作用力的合力大小與方向為何?
32kgw,向右
32kgw,向左
8kgw,向右
8kgw,向左
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
有一物體重量為13kgw,靜置於水平桌面。若物體兩側分別施以在同一直線上水平作用力20kgw和12kgw,物體有受到摩擦力的影響靜止不動,則此時摩擦力的大小與方向為何??
32kgw,向右
32kgw,向左
8kgw,向左
13kgw,向上
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