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gc physics textbook chapter 4 problems (id: 9e6cf5065)

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admin 发表于 2024-10-10 22:48:21 | 显示全部楼层 |阅读模式
本题目来源于试卷: gc physics textbook chapter 4 problems,类别为 通用国际物理

[问答题]
A person exerts an upward force of 40 N to hold 9j5oalmfpfyk-)8/w1rn q7) detcnh ,a bag of0 :+nl ) cdsr86uckrsl groceries. Describe the “reaction” force (Newton’s third law) by stating (a) its magnitude, (b) its direction, (+sllu6c s8n0k) r:cd rc) on what object it is exerted, and (d) by what object it is exerted.




参考答案:
(a) The magnitude is 40 N.
(b) The direction is downward.
(c) It is exerted on the person.
(d) It is exerted by the bag of groceries.




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