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Newton’s law of motion (id: d60967806)

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admin 发表于 2024-7-28 22:57:57 | 显示全部楼层 |阅读模式
本题目来源于试卷: Newton’s law of motion,类别为 美国物理杯赛(Physics Bowl)

[单选题]
09.12: A 5.0 kg sphere is in free faxk6q9wi s22 hjs;:nc bll near the surface of the Earth. Whgacod:gn4 j09 at is the magnitude ofa 49onjdg:c0g the gravitational force acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

A. 0 N
B. 5 N
C. It is immeasurably small but no zero
D. 50 N
E. $5.98 \times 10^{25} \; N$


参考答案:  D


本题详细解析: 暂无

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