newnewnewnew (id: bf5a9a30b)

本题目来源于试卷: newnewnewnew，类别为 IB物理学

[问答题]
A stone hangs by a fp ec 4dd 2gmoxio1b3n5 00hrp+ine threatmbrt0w k)cx j-at2 :n;8/y4ac)3ja yslorz6 d from the ceiling, and a section of the same thread dangles from the bottom of the stone (Fig. 4–36). If a person gives a sharp pull on the dangling thread, where is the thread likely to break: below the stone or above it? What if the person gives a slow and steady pull? Explain your answers. )3j4x6ant) -rrwsz; kaycj0 /ba2m t8 oty:cl

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