本题目来源于试卷: gc physics textbook chapter 4 problems，类别为 IB物理学
[问答题]
Why might your foot hurt 1 hov,zv.dxe9er gdr6 ox*f(4jn1rp0kj1)y mif you kick a heavy desk or a wall?
参考答案:
By Newton’s 3rd law, the desk or wall exerts a force on your foot equal in magnitude to the force with which you hit the desk or wall. If you hit the desk or wall with a large force, then there will be a large force on your foot, causing pain. Only a force on your foot causes pain.
本题详细解析:
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