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分類 : Science (SC)
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The story is The Tablecloth Trick. It is a interesting story. It is telling about something put on a tablecloth and pull the tablecloth out, but the thing on the tablecloth cannot be fallen. This is the principle of inertia. In our life, just like shaking a shirt, the dust and the shirt are static to a dynamic state. Due to the principle of inertia, the dust will fall once it's shaken. After I read this magazine, I have learnt what is principle of inertia and static.
Science adventures (level 3) 34
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