new new new new (id: 0f322e456)

本题目来源于试卷: new new new new，类别为 IB物理学

[问答题]
A bucket of water can be h y7atqq1e0*u whirled in a vertical hhb:k x8df2i )akz jq057d nd7circle without the water spilling out, even at the top of the circle when the bucket is upside down. E0fh) zdxd2dn8: b57q i7hkkj axplain.

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