本题目来源于试卷: gc textbook chapter 7 Linear Momentum，类别为 通用国际物理
[问答题]
Why do you tend to ltod:6dun2 kws)h ,5pka s.g.zean backc3bv:w lc hu iz7,)3huward when carrying a heavy load in your arms?
参考答案:
In order to maintain balance, your CM must be
located directly above your feet. If you
have a heavy load in your arms, your CM will be out in front of your body and
not above your feet. So you lean
backwards to get your CM directly above your feet. Otherwise, you would fall over forwards.
本题详细解析:
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