[问答题]
A stone hangs by a fine thread from the ce4zgdfrrum+ie(6* 9 iailing, and a section of the samir7m)o d 4vh4se 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 4m7)i srhvd4oanswers.
